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289 lines
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<title>Grade 8 Common Core Standards</title>
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<h1 align="center">Grade 8 Common Core Standards</h1><p align="center">Here are the <a href="core-index.html">Common Core Standards</a> for Grade 8, with links to resources that support them. We also encourage plenty of exercises and book work.</p><div class="corYrSubj">Grade 8 | The Number System</div>
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<div class="corTitle">Know that there are numbers that are not rational, and approximate them by rational numbers.</div>
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<div class="corCore"><span class="corCode">8.NS.A.1</span><span class="corDescr">Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/pi.html">Pi</a></div>
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<div class="corPage"><a href="../surds.html">Surds</a></div>
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<div class="corPage"><a href="../numbers/golden-ratio.html">Golden Ratio</a></div>
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<div class="corPage"><a href="../rational-numbers.html">Rational Numbers</a></div>
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<div class="corPage"><a href="../numbers/irrational-finding.html">Is It Irrational?</a></div>
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<div class="corPage"><a href="../sets/number-types.html">Common Number Sets</a></div>
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<div class="corPage"><a href="../numbers/e-eulers-number.html">e - Euler's number</a></div>
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<div class="corPage"><a href="../irrational-numbers.html">Irrational Numbers</a></div>
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<div class="corPage"><a href="../9recurring.html">Does 0.999... equal 1?</a></div>
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<div class="corPage"><a href="../numbers/evolution-of-numbers.html">The Evolution of Numbers</a></div>
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<div class="corPage"><a href="../converting-fractions-decimals.html">Converting Fractions to Decimals</a></div>
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<div class="corPage"><a href="../numbers/nature-golden-ratio-fibonacci.html">Nature The Golden Ratio and Fibonacci Numbers</a></div></div>
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<div class="corCore"><span class="corCode">8.NS.A.2</span><span class="corDescr">Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions (e.g., (pi)^2). For example, by truncating the decimal expansion of the square root of 2, show that the square root of 2 is between 1 and 2, then between 1.4 and 1.5, and explain how to continue on to get better approximations.</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/pi.html">Pi</a></div>
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<div class="corPage"><a href="../surds.html">Surds</a></div>
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<div class="corPage"><a href="../rational-numbers.html">Rational Numbers</a></div>
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<div class="corPage"><a href="../rounding-numbers.html">Rounding Numbers</a></div>
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<div class="corPage"><a href="../numbers/irrational-finding.html">Is It Irrational?</a></div>
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<div class="corPage"><a href="../irrational-numbers.html">Irrational Numbers</a></div>
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<div class="corPage"><a href="../algebra/approximate-solutions.html">Approximate Solutions</a></div>
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<div class="corPage"><a href="../square-root.html">Squares and Square Roots</a></div>
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<div class="corPage"><a href="../numbers/evolution-of-numbers.html">The Evolution of Numbers</a></div>
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<div class="corPage"><a href="../activity/pi-approximation.html">Activity: Find an Approximate Value For Pi</a></div></div><div class="corYrSubj">Grade 8 | Expressions & Equations</div>
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<div class="corTitle">Work with radicals and integer exponents.</div>
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<div class="corCore"><span class="corCode">8.EE.A.1</span><span class="corDescr">Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 3^2 x 3^(-5) = 3^(-3) = 1/(3^3) = 1/27.</span></div><div class="corPages">
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<div class="corPage"><a href="../exponent.html">Exponents</a></div>
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<div class="corPage"><a href="../algebra/exponent-laws.html">Laws of Exponents</a></div>
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<div class="corPage"><a href="../algebra/negative-exponents.html">Negative Exponents</a></div>
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<div class="corPage"><a href="../algebra/exponents-using.html">Using Exponents in Algebra</a></div>
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<div class="corPage"><a href="../algebra/exponents-squaring-negative.html">Exponents of Negative Numbers</a></div>
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<div class="corPage"><a href="../index-notation-powers.html">Index Notation - Powers of 10</a></div></div>
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<div class="corCore"><span class="corCode">8.EE.A.2</span><span class="corDescr">Use square root and cube root symbols to represent solutions to equations of the form x^2 = p and x^3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that the square root of 2 is irrational.</span></div><div class="corPages">
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<div class="corPage"><a href="../surds.html">Surds</a></div>
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<div class="corPage"><a href="../puzzles/root-jigsaw.html">Root Jigsaw Puzzle</a></div>
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<div class="corPage"><a href="../numbers/cube-root.html">Cubes and Cube Roots</a></div>
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<div class="corPage"><a href="../square-root.html">Squares and Square Roots</a></div></div>
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<div class="corCore"><span class="corCode">8.EE.A.3</span><span class="corDescr">Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. For example, estimate the population of the United States as 3 x 10^8 and the population of the world as 7 x 10^9, and determine that the world population is more than 20 times larger.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/standard-form.html">Standard Form</a></div>
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<div class="corPage"><a href="../numbers/scientific-notation.html">Scientific Notation</a></div>
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<div class="corPage"><a href="../index-notation-powers.html">Index Notation - Powers of 10</a></div></div>
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<div class="corCore"><span class="corCode">8.EE.A.4</span><span class="corDescr">Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e.g., use millimeters per year for seafloor spreading). Interpret scientific notation that has been generated by technology.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/exponent-laws.html">Laws of Exponents</a></div>
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<div class="corPage"><a href="../numbers/scientific-notation.html">Scientific Notation</a></div>
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<div class="corPage"><a href="../index-notation-powers.html">Index Notation - Powers of 10</a></div></div>
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<div class="corTitle">Understand the connections between proportional relationships, lines, and linear equations.</div>
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<div class="corCore"><span class="corCode">8.EE.B.5</span><span class="corDescr">Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/linear-equations.html">Linear Equations</a></div>
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<div class="corPage"><a href="../geometry/slope.html">Slope of a Straight Line</a></div>
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<div class="corPage"><a href="../equation_of_line.html">Equation of a Straight Line</a></div>
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<div class="corPage"><a href="../gradient.html">Gradient of a Straight Line</a></div>
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<div class="corPage"><a href="../data/straight_line_graph.html">Explore the properties of a straight line graph</a></div></div>
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<div class="corCore"><span class="corCode">8.EE.B.6</span><span class="corDescr">Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y = mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/linear-equations.html">Linear Equations</a></div>
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<div class="corPage"><a href="../quiz/linear_equation_test.html">Linear Equation Test</a></div>
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<div class="corPage"><a href="../geometry/slope.html">Slope of a Straight Line</a></div>
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<div class="corPage"><a href="../equation_of_line.html">Equation of a Straight Line</a></div>
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<div class="corPage"><a href="../gradient.html">Gradient of a Straight Line</a></div>
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<div class="corPage"><a href="../y_intercept.html">Y Intercept of a Straight Line</a></div>
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<div class="corPage"><a href="../straight-line-graph-calculate.html">Calculate the Straight Line Graph</a></div>
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<div class="corPage"><a href="../data/straight_line_graph.html">Explore the properties of a straight line graph</a></div></div>
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<div class="corTitle">Analyze and solve linear equations and pairs of simultaneous linear equations.</div>
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<div class="corCore"><span class="corCode">8.EE.C.7</span><span class="corDescr">Solve linear equations in one variable.<br />
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a. Give examples of linear equations in one variable with one solution, infinitely many solutions, or no solutions. Show which of these possibilities is the case by successively transforming the given equation into simpler forms, until an equivalent equation of the form x = a, a = a, or a = b results (where a and b are different numbers).<br />
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b. Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/like-terms.html">Like Terms</a></div>
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<div class="corPage"><a href="../algebra/equations-solving.html">Solving Equations</a></div>
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<div class="corPage"><a href="../algebra/add-subtract-balance.html">Balance when Adding and Subtracting</a></div>
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<div class="corPage"><a href="../associative-commutative-distributive.html">Commutative Associative and Distributive Laws</a></div></div>
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<div class="corCore"><span class="corCode">8.EE.C.8</span><span class="corDescr">Analyze and solve pairs of simultaneous linear equations.<br />
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a. Understand that solutions to a system of two linear equations in two variables correspond to points of intersection of their graphs, because points of intersection satisfy both equations simultaneously.<br />
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b. Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6.<br />
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c. Solve real-world and mathematical problems leading to two linear equations in two variables. For example, given coordinates for two pairs of points, determine whether the line through the first pair of points intersects the line through the second pair.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/systems-linear-equations.html">Systems of Linear Equations</a></div>
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<div class="corPage"><a href="../data/function-grapher.html">Function Grapher and Calculator</a></div></div><div class="corYrSubj">Grade 8 | Functions</div>
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<div class="corTitle">Define, evaluate, and compare functions.</div>
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<div class="corCore"><span class="corCode">8.F.A.1</span><span class="corDescr">Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. (Function notation is not required in Grade 8.)</span></div><div class="corPages">
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<div class="corPage"><a href="../sets/function.html">What is a Function</a></div>
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<div class="corPage"><a href="../sets/domain-range-codomain.html">Domain Range and Codomain</a></div>
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<div class="corPage"><a href="../sets/injective-surjective-bijective.html">Injective Surjective and Bijective</a></div></div>
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<div class="corCore"><span class="corCode">8.F.A.2</span><span class="corDescr">Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a linear function represented by a table of values and a linear function represented by an algebraic expression, determine which function has the greater rate of change. </span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/linear-equations.html">Linear Equations</a></div>
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<div class="corPage"><a href="../sets/function.html">What is a Function</a></div>
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<div class="corPage"><a href="../quiz/linear_equation_test.html">Linear Equation Test</a></div>
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<div class="corPage"><a href="../geometry/slope.html">Slope of a Straight Line</a></div>
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<div class="corPage"><a href="../equation_of_line.html">Equation of a Straight Line</a></div>
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<div class="corPage"><a href="../gradient.html">Gradient of a Straight Line</a></div>
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<div class="corPage"><a href="../straight-line-graph-calculate.html">Calculate the Straight Line Graph</a></div>
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<div class="corPage"><a href="../data/straight_line_graph.html">Explore the properties of a straight line graph</a></div></div>
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<div class="corCore"><span class="corCode">8.F.A.3</span><span class="corDescr">Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function A = s^2 giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9), which are not on a straight line.</span></div><div class="corPages">
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<div class="corPage"><a href="../sets/graph-equation.html">Graph of an Equation</a></div>
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<div class="corPage"><a href="../data/function-grapher.html">Function Grapher and Calculator</a></div></div>
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<div class="corTitle">Use functions to model relationships between quantities.</div>
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<div class="corCore"><span class="corCode">8.F.B.4</span><span class="corDescr">Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/linear-equations.html">Linear Equations</a></div>
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<div class="corPage"><a href="../sets/function.html">What is a Function</a></div>
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<div class="corPage"><a href="../quiz/linear_equation_test.html">Linear Equation Test</a></div>
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<div class="corPage"><a href="../geometry/slope.html">Slope of a Straight Line</a></div>
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<div class="corPage"><a href="../equation_of_line.html">Equation of a Straight Line</a></div>
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<div class="corPage"><a href="../gradient.html">Gradient of a Straight Line</a></div>
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<div class="corPage"><a href="../y_intercept.html">Y Intercept of a Straight Line</a></div>
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<div class="corPage"><a href="../straight-line-graph-calculate.html">Calculate the Straight Line Graph</a></div>
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<div class="corPage"><a href="../data/straight_line_graph.html">Explore the properties of a straight line graph</a></div></div>
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<div class="corCore"><span class="corCode">8.F.B.5</span><span class="corDescr">Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.</span></div><div class="corPages">
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<div class="corPage"><a href="../data/grapher-equation.html">Equation Grapher</a></div>
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<div class="corPage"><a href="../sets/graph-equation.html">Graph of an Equation</a></div>
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<div class="corPage"><a href="../data/function-grapher.html">Function Grapher and Calculator</a></div>
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<div class="corPage"><a href="../sets/functions-increasing.html">Increasing and Decreasing Functions</a></div></div><div class="corYrSubj">Grade 8 | Geometry</div>
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<div class="corTitle">Understand congruence and similarity using physical models, transparencies, or geometry software.</div>
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<div class="corCore"><span class="corCode">8.G.A.1</span><span class="corDescr">Verify experimentally the properties of rotations, reflections, and translations: <br />
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a. Lines are taken to lines, and line segments to line segments of the same length.<br />
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b. Angles are taken to angles of the same measure.<br />
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c. Parallel lines are taken to parallel lines.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/congruent.html">Congruent</a></div>
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<div class="corPage"><a href="../geometry/symmetry-point.html">Point Symmetry</a></div>
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<div class="corPage"><a href="../geometry/transformations.html">Transformations</a></div>
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<div class="corPage"><a href="../geometry/rotation.html">Geometry Rotation</a></div>
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<div class="corPage"><a href="../pentomino_challenge.html">Pentomino Challenge</a></div>
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<div class="corPage"><a href="../geometry/symmetry-reflection.html">Reflection Symmetry</a></div>
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<div class="corPage"><a href="../geometry/symmetry-rotational.html">Rotational Symmetry</a></div>
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<div class="corPage"><a href="../geometry/translation.html">Geometry Translation</a></div>
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<div class="corPage"><a href="../geometry/reflection.html">Geometry - Reflection</a></div>
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<div class="corPage"><a href="../pentomino.html">The Set of Pentominoes</a></div>
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<div class="corPage"><a href="../activity/mandala.html">Activity: Make a Mandala</a></div>
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<div class="corPage"><a href="../games/rotation-game.html">Play Rotation Puzzle Game</a></div>
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<div class="corPage"><a href="../puzzles/clock-in-the-mirror.html">Clock in the Mirror Puzzle</a></div>
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<div class="corPage"><a href="../geometry/symmetry.html">Symmetry - Reflection and Rotation</a></div></div>
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<div class="corCore"><span class="corCode">8.G.A.2</span><span class="corDescr">Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/congruent.html">Congruent</a></div>
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<div class="corPage"><a href="../geometry/triangles-congruent.html">Congruent Triangles</a></div></div>
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<div class="corCore"><span class="corCode">8.G.A.3</span><span class="corDescr">Describe the effect of dilations, translations, rotations and reflections on two-dimensional figures using coordinates.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/transformations.html">Transformations</a></div>
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<div class="corPage"><a href="../geometry/resizing.html">Geometry Resizing</a></div>
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<div class="corPage"><a href="../geometry/rotation.html">Geometry Rotation</a></div>
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<div class="corPage"><a href="../geometry/symmetry-reflection.html">Reflection Symmetry</a></div>
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<div class="corPage"><a href="../geometry/symmetry-rotational.html">Rotational Symmetry</a></div>
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<div class="corPage"><a href="../geometry/translation.html">Geometry Translation</a></div>
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<div class="corPage"><a href="../geometry/reflection.html">Geometry - Reflection</a></div>
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<div class="corPage"><a href="../geometry/symmetry.html">Symmetry - Reflection and Rotation</a></div></div>
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<div class="corCore"><span class="corCode">8.G.A.4</span><span class="corDescr">Understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar two-dimensional figures, describe a sequence that exhibits the similarity between them.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/similar.html">Similar</a></div>
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<div class="corPage"><a href="../geometry/transformations.html">Transformations</a></div>
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<div class="corPage"><a href="../geometry/resizing.html">Geometry Resizing</a></div>
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<div class="corPage"><a href="../geometry/rotation.html">Geometry Rotation</a></div>
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<div class="corPage"><a href="../geometry/triangles-similar.html">Similar Triangles</a></div>
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<div class="corPage"><a href="../geometry/symmetry-reflection.html">Reflection Symmetry</a></div>
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<div class="corPage"><a href="../geometry/symmetry-rotational.html">Rotational Symmetry</a></div>
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<div class="corPage"><a href="../geometry/translation.html">Geometry Translation</a></div>
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<div class="corPage"><a href="../geometry/reflection.html">Geometry - Reflection</a></div>
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<div class="corPage"><a href="../puzzles/sam-loyd-s-juggler-puzzle.html">Sam Loyd's Juggler Puzzle</a></div>
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<div class="corPage"><a href="../geometry/symmetry.html">Symmetry - Reflection and Rotation</a></div></div>
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<div class="corCore"><span class="corCode">8.G.A.5</span><span class="corDescr">Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. For example, arrange three copies of the same triangle so that the three angles appear to form a line, and give an argument in terms of transversals why this is so.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/transversal.html">Transversals</a></div>
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<div class="corPage"><a href="../geometry/triangles-similar.html">Similar Triangles</a></div>
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<div class="corPage"><a href="../geometry/corresponding-angles.html">Corresponding Angles</a></div>
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<div class="corPage"><a href="../geometry/triangles-interactive.html">Interactive Triangles</a></div>
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<div class="corPage"><a href="../geometry/alternate-exterior-angles.html">Alternate Exterior Angles</a></div>
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<div class="corPage"><a href="../geometry/alternate-interior-angles.html">Alternate Interior Angles</a></div>
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<div class="corPage"><a href="../geometry/consecutive-interior-angles.html">Consecutive Interior Angles</a></div>
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<div class="corPage"><a href="../proof180deg.html">Triangles Contain 180 Degrees</a></div>
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<div class="corPage"><a href="../geometry/parallel-lines.html">Parallel Lines and Pairs of Angles</a></div></div>
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<div class="corTitle">Understand and apply the Pythagorean Theorem.</div>
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<div class="corCore"><span class="corCode">8.G.B.6</span><span class="corDescr">Explain a proof of the Pythagorean Theorem and its converse. </span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/triangle-3-4-5.html">3 4 5 Triangle</a></div>
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<div class="corPage"><a href="../pythagoras.html">Pythagoras Theorem</a></div>
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<div class="corPage"><a href="../pythagorean_triples.html">Pythagorean Triples</a></div>
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<div class="corPage"><a href="../geometry/pythagorean-theorem-proof.html">Pythagorean Theorem Proof</a></div>
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<div class="corPage"><a href="../activity/pythagoras-theorem-shoes.html">Activity: Pythagoras' Theorem</a></div>
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<div class="corPage"><a href="../activity/walk-in-desert.html">Activity: A Walk in the Desert</a></div></div>
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<div class="corCore"><span class="corCode">8.G.B.7</span><span class="corDescr">Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/triangle-3-4-5.html">3 4 5 Triangle</a></div>
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<div class="corPage"><a href="../pythagoras.html">Pythagoras Theorem</a></div>
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<div class="corPage"><a href="../pythagorean_triples.html">Pythagorean Triples</a></div>
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<div class="corPage"><a href="../geometry/pythagorean-theorem-proof.html">Pythagorean Theorem Proof</a></div>
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<div class="corPage"><a href="../activity/pythagoras-theorem-shoes.html">Activity: Pythagoras' Theorem</a></div>
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<div class="corPage"><a href="../activity/walk-in-desert.html">Activity: A Walk in the Desert</a></div></div>
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<div class="corCore"><span class="corCode">8.G.B.8</span><span class="corDescr">Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.</span></div><div class="corPages">
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<div class="corPage"><a href="../pythagoras.html">Pythagoras Theorem</a></div>
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<div class="corPage"><a href="../algebra/distance-2-points.html">Distance Between 2 Points</a></div>
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<div class="corPage"><a href="../activity/walk-in-desert.html">Activity: A Walk in the Desert</a></div></div>
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<div class="corTitle">Solve real-world and mathematical problems involving volume of cylinders, cones and spheres.</div>
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<div class="corCore"><span class="corCode">8.G.C.9</span><span class="corDescr">Know the formulas for the volumes of cones, cylinders, and spheres and use them to solve real-world and mathematical problems.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/sphere.html">Sphere</a></div>
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<div class="corPage"><a href="../geometry/cone.html">Spinning Cone</a></div>
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<div class="corPage"><a href="../geometry/estimate-volume.html">Pouring Liquid</a></div>
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<div class="corPage"><a href="../geometry/cylinder.html">Spinning Cylinder</a></div>
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<div class="corPage"><a href="../activity/soup-can.html">Activity: Soup Can</a></div>
|
|
<div class="corPage"><a href="../area.html">Area of Circle Triangle Square Rectangle Parallelogram Trapezium Ellipse and Sector</a></div></div><div class="corYrSubj">Grade 8 | Statistics & Probability</div>
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<div class="corTitle">Investigate patterns of association in bivariate data.</div>
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<div class="corCore"><span class="corCode">8.SP.A.1</span><span class="corDescr">Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association.</span></div><div class="corPages">
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<div class="corPage"><a href="../data/outliers.html">Outliers</a></div>
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<div class="corPage"><a href="../data/correlation.html">Correlation</a></div>
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<div class="corPage"><a href="../data/scatter-xy-plots.html">Scatter Plots</a></div></div>
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<div class="corCore"><span class="corCode">8.SP.A.2</span><span class="corDescr">Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line.</span></div><div class="corPages">
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<div class="corPage"><a href="../data/correlation.html">Correlation</a></div>
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<div class="corPage"><a href="../data/scatter-xy-plots.html">Scatter Plots</a></div></div>
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<div class="corCore"><span class="corCode">8.SP.A.3</span><span class="corDescr">Use the equation of a linear model to solve problems in the context of bivariate measurement data, interpreting the slope and intercept. For example, in a linear model for a biology experiment, interpret a slope of 1.5 cm/hr as meaning that an additional hour of sunlight each day is associated with an additional 1.5 cm in mature plant height.</span></div><div class="corPages">
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<div class="corPage"><a href="../algebra/linear-equations.html">Linear Equations</a></div>
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<div class="corPage"><a href="../quiz/linear_equation_test.html">Linear Equation Test</a></div>
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<div class="corPage"><a href="../geometry/slope.html">Slope of a Straight Line</a></div>
|
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<div class="corPage"><a href="../equation_of_line.html">Equation of a Straight Line</a></div>
|
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<div class="corPage"><a href="../gradient.html">Gradient of a Straight Line</a></div>
|
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<div class="corPage"><a href="../algebra/line-equation-point-slope.html">Point-Slope Equation of a Line</a></div>
|
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<div class="corPage"><a href="../algebra/line-equation-2points.html">Equation of a Line from 2 Points</a></div>
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<div class="corPage"><a href="../straight-line-graph-calculate.html">Calculate the Straight Line Graph</a></div>
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<div class="corPage"><a href="../data/straight_line_graph.html">Explore the properties of a straight line graph</a></div></div>
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<div class="corCore"><span class="corCode">8.SP.A.4</span><span class="corDescr">Understand that patterns of association can also be seen in bivariate categorical data by displaying frequencies and relative frequencies in a two-way table. Construct and interpret a two-way table summarizing data on two categorical variables collected from the same subjects. Use relative frequencies calculated for rows or columns to describe possible association between the two variables. For example, collect data from students in your class on whether or not they have a curfew on school nights and whether or not they have assigned chores at home. Is there evidence that those who have a curfew also tend to have chores?</span></div><div class="corPages">
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<div class="corPage"><a href="../data/histograms.html">Histograms</a></div>
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|
<div class="corPage"><a href="../data/correlation.html">Correlation</a></div>
|
|
<div class="corPage"><a href="../data/scatter-xy-plots.html">Scatter Plots</a></div>
|
|
<div class="corPage"><a href="../data/cumulative-tables-graphs.html">Cumulative Tables and Graphs</a></div></div><p> </p><!-- #EndEditable -->
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