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279 lines
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HTML
279 lines
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<!-- Mirrored from www.mathsisfun.com/links/core-grade-3.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 01:01:13 GMT -->
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<title>Grade 3 Common Core Standards</title>
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<h1 align="center">Grade 3 Common Core Standards</h1><p align="center">Here are the <a href="core-index.html">Common Core Standards</a> for Grade 3, with links to resources that support them. We also encourage plenty of exercises and book work.</p><div class="corYrSubj">Grade 3 | Operations & Algebraic Thinking</div>
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<div class="corTitle">Represent and solve problems involving multiplication and division.</div>
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<div class="corCore"><span class="corCode">3.OA.A.1</span><span class="corDescr">Interpret products of whole numbers, e.g., interpret 5 x 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 x 7. </span></div><div class="corPages">
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<div class="corPage"><a href="../tables.html">Multiplication - Times Tables</a></div>
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<div class="corPage"><a href="../numbers/number-block-freeplay.html">Play with Number Blocks Online</a></div></div>
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<div class="corCore"><span class="corCode">3.OA.A.2</span><span class="corDescr">Interpret whole-number quotients of whole numbers, e.g., interpret 56/8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a context in which a number of shares or a number of groups can be expressed as 56/8.</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/division.html">Division</a></div>
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<div class="corPage"><a href="../mathtest.html">Test your Math</a></div>
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<div class="corPage"><a href="../worksheets/division.html">Division Math Worksheets</a></div>
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<div class="corPage"><a href="../numbers/number-block-freeplay.html">Play with Number Blocks Online</a></div></div>
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<div class="corCore"><span class="corCode">3.OA.A.3</span><span class="corDescr">Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. </span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/inverse.html">Inverse</a></div>
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<div class="corPage"><a href="../numbers/division.html">Division</a></div></div>
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<div class="corCore"><span class="corCode">3.OA.A.4</span><span class="corDescr">Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 x ? = 48, <br />
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5 = ?/3, 6 x 6 = ?</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/inverse.html">Inverse</a></div>
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<div class="corPage"><a href="../numbers/division.html">Division</a></div>
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<div class="corPage"><a href="../mathtest.html">Test your Math</a></div>
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<div class="corPage"><a href="../numbers/fix-equation.html">Fix the Equation</a></div>
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<div class="corPage"><a href="../games/reaction-math.html">Play Reaction Math</a></div>
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<div class="corPage"><a href="../games/billiard-tables.html">Play Billiard Tables</a></div>
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<div class="corPage"><a href="../worksheets/division.html">Division Math Worksheets</a></div>
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<div class="corPage"><a href="../games/broken-calculator.html">Broken Calculator Puzzles</a></div>
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<div class="corPage"><a href="../games/speed-math.html">Play Speed Math Challenge</a></div>
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<div class="corPage"><a href="../numbers/math-trainer-multiply.html">Math Trainer - Multiplication</a></div>
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<div class="corPage"><a href="../tables.html">Multiplication - Times Tables</a></div>
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<div class="corPage"><a href="../worksheets/multiplication.html">Multiplication Math Worksheets</a></div>
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<div class="corPage"><a href="../multiplication-table-small.html">Printable Multiplication Table - Small Size</a></div>
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<div class="corPage"><a href="../games/mathionaire-multiplication-quiz.html">Who Wants to be a Mathionaire - Multiplication Quiz</a></div>
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<div class="corPage"><a href="../timestable.html">Test your Multiplication - Times Tables From 2 to 15</a></div></div>
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<div class="corTitle">Understand properties of multiplication and the relationship between multiplication and division.</div>
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<div class="corCore"><span class="corCode">3.OA.B.5</span><span class="corDescr">Apply properties of operations as strategies to multiply and divide.(Students need not use formal terms for these properties.) Examples: If 6 x 4 = 24 is known, then 4 x 6 = 24 is also known. (Commutative property of multiplication.) 3 x 5 x 2 can be found by 3 x 5 = 15 then 15 x 2 = 30, or by 5 x 2 = 10 then 3 x 10 = 30. (Associative property of multiplication.) Knowing that 8 x 5 = 40 and 8 x 2 = 16, one can find 8 x 7 as 8 x (5 + 2) = (8 x 5) + (8 x 2) = 40 + 16 = 56. (Distributive property.) </span></div><div class="corPages">
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<div class="corPage"><a href="../sets/real-number-properties.html">Real Number Properties</a></div>
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<div class="corPage"><a href="../tables.html">Multiplication - Times Tables</a></div>
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<div class="corPage"><a href="../multiplication-tips-tricks.html">Multiplication Tips and Tricks</a></div>
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<div class="corPage"><a href="../associative-commutative-distributive.html">Commutative Associative and Distributive Laws</a></div>
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<div class="corPage"><a href="../activity/associative-commutative-distributive.html">Activity: Commutative Associative and Distributive</a></div></div>
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<div class="corCore"><span class="corCode">3.OA.B.6</span><span class="corDescr">Understand division as an unknown-factor problem. For example, divide 32/8 by finding the number that makes 32 when multiplied by 8. </span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/inverse.html">Inverse</a></div>
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<div class="corPage"><a href="../numbers/division.html">Division</a></div></div>
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<div class="corTitle">Multiply and divide within 100.</div>
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<div class="corCore"><span class="corCode">3.OA.C.7</span><span class="corDescr">Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 x 5 = 40, one knows 40/5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/division.html">Division</a></div>
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<div class="corPage"><a href="../mathtest.html">Test your Math</a></div>
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<div class="corPage"><a href="../numbers/fix-equation.html">Fix the Equation</a></div>
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<div class="corPage"><a href="../games/reaction-math.html">Play Reaction Math</a></div>
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<div class="corPage"><a href="../worksheets/division.html">Division Math Worksheets</a></div>
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<div class="corPage"><a href="../games/speed-math.html">Play Speed Math Challenge</a></div>
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<div class="corPage"><a href="../numbers/math-trainer-multiply.html">Math Trainer - Multiplication</a></div>
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<div class="corPage"><a href="../tables.html">Multiplication - Times Tables</a></div>
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<div class="corPage"><a href="../worksheets/multiplication.html">Multiplication Math Worksheets</a></div>
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<div class="corPage"><a href="../multiplication-table-small.html">Printable Multiplication Table - Small Size</a></div>
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<div class="corPage"><a href="../games/mathionaire-multiplication-quiz.html">Who Wants to be a Mathionaire - Multiplication Quiz</a></div>
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<div class="corPage"><a href="../timestable.html">Test your Multiplication - Times Tables From 2 to 15</a></div></div>
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<div class="corTitle">Solve problems involving the four operations, and identify and explain patterns in arithmetic.</div>
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<div class="corCore"><span class="corCode">3.OA.D.8</span><span class="corDescr">Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding. (This standard is limited to problems posed with whole numbers and having whole-number answers; students should know how to perform operations in the conventional order when there are no parentheses to specify a particular order (Order of Operations).)</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/inverse.html">Inverse</a></div>
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<div class="corPage"><a href="../numbers/division.html">Division</a></div>
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<div class="corPage"><a href="../numbers/estimation.html">Estimation</a></div>
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<div class="corPage"><a href="../reciprocal.html">Reciprocal</a></div>
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<div class="corPage"><a href="../algebra/open-sentences.html">Open Sentences</a></div>
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<div class="corPage"><a href="../operation-order-bodmas.html">Order of Operations - BODMAS</a></div>
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<div class="corPage"><a href="../operation-order-pemdas.html">Order of Operations - PEMDAS</a></div>
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<div class="corPage"><a href="../algebra/operations-order-calculator.html">Order of Operations Calculator</a></div></div>
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<div class="corCore"><span class="corCode">3.OA.D.9</span><span class="corDescr">Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends. </span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/division.html">Division</a></div>
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<div class="corPage"><a href="../algebra/patterns.html">Patterns</a></div>
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<div class="corPage"><a href="../your-own-number-patterns.html">Make your own Number Patterns</a></div>
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<div class="corPage"><a href="../tables.html">Multiplication - Times Tables</a></div>
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<div class="corPage"><a href="../multiplication-tips-tricks.html">Multiplication Tips and Tricks</a></div></div><div class="corYrSubj">Grade 3 | Number & Operations in Base Ten</div>
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<div class="corTitle">Use place value understanding and properties of operations to perform multi-digit arithmetic.</div>
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<div class="corCore"><span class="corCode">3.NBT.A.1</span><span class="corDescr">Use place value understanding to round whole numbers to the nearest 10 or 100.</span></div><div class="corPages">
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<div class="corPage"><a href="../rounding-numbers.html">Rounding Numbers</a></div></div>
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<div class="corCore"><span class="corCode">3.NBT.A.2</span><span class="corDescr">Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction. (A range of algorithms may be used.)</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/addition.html">Addition</a></div>
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<div class="corPage"><a href="../numbers/subtraction.html">Subtraction</a></div>
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<div class="corPage"><a href="../mathtest.html">Test your Math</a></div>
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<div class="corPage"><a href="../numbers/subtraction-quick.html">Quick Subtraction</a></div>
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<div class="corPage"><a href="../numbers/addition-column.html">Addition in Columns</a></div>
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<div class="corPage"><a href="../numbers/subtraction-by-addition.html">Subtraction by Addition</a></div>
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<div class="corPage"><a href="../worksheets/addition.html">Addition Math Worksheets</a></div>
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<div class="corPage"><a href="../numbers/addition-tips-tricks.html">Addition Tips and Tricks</a></div>
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<div class="corPage"><a href="../numbers/subtraction-regrouping.html">Subtraction by Regrouping</a></div>
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<div class="corPage"><a href="../numbers/math-trainer-subtract.html">Math Trainer - Subtraction</a></div>
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<div class="corPage"><a href="../worksheets/subtraction.html">Subtraction Math Worksheets</a></div></div>
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<div class="corCore"><span class="corCode">3.NBT.A.3</span><span class="corDescr">Multiply one-digit whole numbers by multiples of 10 in the range 10-90 (e.g., 9 x 80, 5 x 60) using strategies based on place value and properties of operations. (A range of algorithms may be used.)</span></div><div class="corPages">
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<div class="corPage"><a href="../tables.html">Multiplication - Times Tables</a></div>
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<div class="corPage"><a href="../worksheets/multiplication.html">Multiplication Math Worksheets</a></div>
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<div class="corPage"><a href="../multiplication-tips-tricks.html">Multiplication Tips and Tricks</a></div>
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<div class="corPage"><a href="../multiplication-table-small.html">Printable Multiplication Table - Small Size</a></div>
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<div class="corPage"><a href="../timestable.html">Test your Multiplication - Times Tables From 2 to 15</a></div></div><div class="corYrSubj">Grade 3 | Number & Operations—Fractions</div>
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<div class="corTitle">Develop understanding of fractions as numbers.</div>
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<div class="corCore"><span class="corCode">3.NF.A.1</span><span class="corDescr">Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b. (Grade 3 expectations in this domain are limited to fractions with denominators 2, 3, 4, 6, and 8.)</span></div><div class="corPages">
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<div class="corPage"><a href="../fractions.html">Fractions</a></div>
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<div class="corPage"><a href="../fractions-match.html">Match the Fraction</a></div>
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<div class="corPage"><a href="../numbers/fraction-number-line.html">Fraction Number Line</a></div>
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<div class="corPage"><a href="../fractions-interactive.html">Interactive Fractions</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-words-pizza.html">Match the Fraction - Words to Pizza</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-frac-pizza.html">Match the Fraction - Fraction to Pizza</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-words-line.html">Match the Fraction - Words to Number Line</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-frac-line.html">Match the Fraction - Fraction to Number Line</a></div></div>
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<div class="corCore"><span class="corCode">3.NF.A.2</span><span class="corDescr">Understand a fraction as a number on the number line; represent fractions on a number line diagram. <br />
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a. Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.<br />
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b. Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/fraction-number-line.html">Fraction Number Line</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-words-line.html">Match the Fraction - Words to Number Line</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-frac-line.html">Match the Fraction - Fraction to Number Line</a></div></div>
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<div class="corCore"><span class="corCode">3.NF.A.3</span><span class="corDescr">Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size. <br />
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a. Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line.<br />
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b. Recognize and generate simple equivalent fractions, e.g., 1/2 = 2/4, 4/6 = 2/3. Explain why the fractions are equivalent, e.g., by using a visual fraction model. <br />
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c. Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers. Examples: Express 3 in the form 3 = 3/1; recognize that 6/1 = 6; locate 4/4 and 1 at the same point of a number line diagram.<br />
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d. Compare two fractions with the same numerator or the same denominator by reasoning about their size. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with the symbols >, =, or <, and justify the conclusions, e.g., by using a visual fraction model. </span></div><div class="corPages">
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<div class="corPage"><a href="../fractions.html">Fractions</a></div>
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<div class="corPage"><a href="../numbers/ordering-game.html">Ordering Game</a></div>
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<div class="corPage"><a href="../algebra/compare-numbers-fractions.html">Compare Fractions</a></div>
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<div class="corPage"><a href="../algebra/compare-numbers.html">Comparing Numbers</a></div>
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<div class="corPage"><a href="../fractions-match.html">Match the Fraction</a></div>
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<div class="corPage"><a href="../comparing-fractions.html">Comparing Fractions</a></div>
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<div class="corPage"><a href="../equivalent_fractions.html">Equivalent Fractions</a></div>
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<div class="corPage"><a href="../numbers/fraction-number-line.html">Fraction Number Line</a></div>
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<div class="corPage"><a href="../fractions-interactive.html">Interactive Fractions</a></div>
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<div class="corPage"><a href="../algebra/compare-numbers-unit-fractions.html">Compare Unit Fractions</a></div>
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<div class="corPage"><a href="../equal-less-greater.html">Equal Less and Greater Than Symbols</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-words-pizza.html">Match the Fraction - Words to Pizza</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-frac-pizza.html">Match the Fraction - Fraction to Pizza</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-words-line.html">Match the Fraction - Words to Number Line</a></div>
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<div class="corPage"><a href="../numbers/fractions-match-frac-line.html">Match the Fraction - Fraction to Number Line</a></div></div><div class="corYrSubj">Grade 3 | Measurement & Data</div>
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<div class="corTitle">Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.</div>
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<div class="corCore"><span class="corCode">3.MD.A.1</span><span class="corDescr">Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.</span></div><div class="corPages">
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<div class="corPage"><a href="../puzzles/midnight.html">Midnight Puzzle</a></div>
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<div class="corPage"><a href="../worksheets/time.html">Time Worksheets</a></div>
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<div class="corPage"><a href="../measure/clock-date-time.html">Date and Time Clock</a></div>
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<div class="corPage"><a href="../puzzles/hourglasses-1.html">Hourglasses 1 Puzzle</a></div>
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<div class="corPage"><a href="../puzzles/hourglasses-2.html">Hourglasses 2 Puzzle</a></div>
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<div class="corPage"><a href="../time-add-subtract.html">Adding and Subtracting Time</a></div>
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<div class="corPage"><a href="../time-clocks.html">Clocks - Digital and Analog</a></div>
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<div class="corPage"><a href="../time-clocks-analog-digital.html">Analog and Digital Clocks Animation</a></div></div>
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<div class="corCore"><span class="corCode">3.MD.A.2</span><span class="corDescr">Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). (Excludes compound units such as cm^3 and finding the geometric volume of a container.) Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem. (Excludes multiplicative comparison problems (problems involving notions of "times as much."))</span></div><div class="corPages">
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<div class="corPage"><a href="../numbers/estimation.html">Estimation</a></div>
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<div class="corPage"><a href="../measure/metric-mass.html">Metric Mass</a></div>
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<div class="corPage"><a href="../measure/metric-volume.html">Metric Volume</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="../measure/weight-mass.html">Weight or Mass?</a></div>
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<div class="corPage"><a href="../activity/discover-mass.html">Activity: Discover Mass</a></div>
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<div class="corPage"><a href="../puzzles/office-weighings.html">Office Weighings Puzzle</a></div>
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<div class="corPage"><a href="../puzzles/measuring-2-litres.html">Measuring 2 Litres Puzzle</a></div>
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<div class="corPage"><a href="../activity/discover-capacity.html">Activity: Discover Capacity</a></div>
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<div class="corPage"><a href="../puzzles/measuring-just-1-liter.html">Measuring Just 1 Liter Puzzle</a></div>
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<div class="corPage"><a href="../measure/metric-system-introduction.html">Measuring Metrically with Maggie</a></div>
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<div class="corPage"><a href="../puzzles/measuring-2-2-and-3-liters.html">Measuring 2 2 and 3 Liters Puzzle</a></div></div>
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<div class="corTitle">Represent and interpret data.</div>
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<div class="corCore"><span class="corCode">3.MD.B.3</span><span class="corDescr">Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step "how many more" and "how many less" problems using information presented in scaled bar graphs. For example, draw a bar graph in which each square in the bar graph might represent 5 pets.</span></div><div class="corPages">
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<div class="corPage"><a href="../data/bar-graphs.html">Bar Graphs</a></div>
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<div class="corPage"><a href="../data/data-graph.html">Data Graphs</a></div>
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<div class="corPage"><a href="../data/pictographs.html">Pictographs</a></div>
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<div class="corPage"><a href="../data/bar-graph.html">Make a Bar Graph</a></div>
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<div class="corPage"><a href="../activity/parking-spaces.html">Activity: Parking Spaces</a></div>
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<div class="corPage"><a href="../data/survey-results.html">Showing the Results of a Survey</a></div></div>
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<div class="corCore"><span class="corCode">3.MD.B.4</span><span class="corDescr">Generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch. Show the data by making a line plot, where the horizontal scale is marked off in appropriate units-whole numbers, halves, or quarters.</span></div><div class="corPages">
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<div class="corPage"><a href="../measure/us-standard-length.html">US Standard Lengths</a></div>
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<div class="corPage"><a href="../activity/discover-lengths.html">Activity: Discover Lengths</a></div>
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<div class="corPage"><a href="../activity/personal-measures.html">Activity: Personal Measures</a></div>
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<div class="corPage"><a href="../measure/us-standard-units-introduction.html">Introduction to US Standard Units</a></div></div>
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<div class="corTitle">Geometric measurement: understand concepts of area and relate area to multiplication and to addition.</div>
|
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<div class="corCore"><span class="corCode">3.MD.C.5</span><span class="corDescr">Recognize area as an attribute of plane figures and understand concepts of area measurement.<br />
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a. A square with side length 1 unit, called "a unit square," is said to have "one square unit" of area, and can be used to measure area.<br />
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b. A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units. </span></div><div class="corPages">
|
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<div class="corPage"><a href="../measure/metric-area.html">Metric Area</a></div>
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<div class="corPage"><a href="../geometry/area.html">What is Area?</a></div>
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<div class="corPage"><a href="../measure/us-standard-area.html">US Standard Area</a></div></div>
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<div class="corCore"><span class="corCode">3.MD.C.6</span><span class="corDescr">Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units). </span></div><div class="corPages">
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<div class="corPage"><a href="../measure/metric-area.html">Metric Area</a></div>
|
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<div class="corPage"><a href="../geometry/area.html">What is Area?</a></div>
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<div class="corPage"><a href="../measure/us-standard-area.html">US Standard Area</a></div></div>
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<div class="corCore"><span class="corCode">3.MD.C.7</span><span class="corDescr">Relate area to the operations of multiplication and addition.<br />
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a. Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.<br />
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b. Multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning. <br />
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c. Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and <br />
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b + c is the sum of a x b and a x c. Use area models to represent the distributive property in mathematical reasoning. <br />
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d. Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/area.html">What is Area?</a></div>
|
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<div class="corPage"><a href="../letterf.html">The Letter F Puzzle</a></div>
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<div class="corPage"><a href="../letterh.html">The Letter H Puzzle</a></div>
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<div class="corPage"><a href="../lettert.html">The Letter T Puzzle</a></div>
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<div class="corPage"><a href="../numbers/number-block-freeplay.html">Play with Number Blocks Online</a></div>
|
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<div class="corPage"><a href="../associative-commutative-distributive.html">Commutative Associative and Distributive Laws</a></div>
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<div class="corPage"><a href="../activity/associative-commutative-distributive.html">Activity: Commutative Associative and Distributive</a></div></div>
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<div class="corTitle">Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.</div>
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<div class="corCore"><span class="corCode">3.MD.D.8</span><span class="corDescr">Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different area or with the same area and different perimeter.</span></div><div class="corPages">
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|
<div class="corPage"><a href="../geometry/perimeter.html">Perimeter</a></div></div><div class="corYrSubj">Grade 3 | Geometry</div>
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<div class="corTitle">Reason with shapes and their attributes.</div>
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<div class="corCore"><span class="corCode">3.G.A.1</span><span class="corDescr">Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.</span></div><div class="corPages">
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<div class="corPage"><a href="../geometry/hexagon.html">Hexagon</a></div>
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<div class="corPage"><a href="../geometry/pentagon.html">Pentagon</a></div>
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<div class="corPage"><a href="../geometry/quadrilaterals-interactive.html">Interactive Quadrilaterals</a></div>
|
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<div class="corPage"><a href="../games/math-match-game.html">Play Math Match Memory Game</a></div>
|
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<div class="corPage"><a href="../quadrilaterals.html">Quadrilaterals - Square Rectangle Rhombus Trapezoid Parallelogram</a></div></div>
|
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<div class="corCore"><span class="corCode">3.G.A.2</span><span class="corDescr">Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. For example, partition a shape into 4 parts with equal area, and describe the area of each part as 1/4 of the area of the shape.</span></div><div class="corPages">
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<div class="corPage"><a href="../fractions.html">Fractions</a></div>
|
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<div class="corPage"><a href="../fractions-match.html">Match the Fraction</a></div>
|
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<div class="corPage"><a href="../fractions-interactive.html">Interactive Fractions</a></div>
|
|
<div class="corPage"><a href="../numbers/fractions-match-words-pizza.html">Match the Fraction - Words to Pizza</a></div>
|
|
<div class="corPage"><a href="../numbers/fractions-match-frac-pizza.html">Match the Fraction - Fraction to Pizza</a></div></div><p> </p><!-- #EndEditable -->
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