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Lucas Kent e39465ad2f Changes to be committed: 
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<!doctype html>
<html lang="en">
<!-- #BeginTemplate "/Templates/Main.dwt" --><!-- DW6 -->
<!-- Mirrored from www.mathsisfun.com/numbers/number-line-using.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 01:01:21 GMT -->
<head>
<meta charset="UTF-8">
<!-- #BeginEditable "doctitle" -->
<title>Using The Number Line</title>
<meta name="Description" content="Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.">
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<meta name="keywords" content="math, maths, mathematics, school, homework, education">
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<nav>
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<h1 class="center">Using The Number Line</h1>
<div class="script" style="height: 150px;">
images/number-line.js?mode=int
</div>
<p>We can use the <a href="../number-line.html">Number Line</a> to help us <b>add</b>:</p>
<table style="border: 0; margin:auto;">
<tbody>
<tr style="text-align:center;">
<td><img src="images/number-line-5p3.gif" alt="number line 5+3 = 8" height="99" width="143" ></td>
</tr>
<tr style="text-align:center;">
<td>
<h3>5 + 3 = 8</h3>
</td>
</tr>
</tbody></table>
<p class="indent50px">And <b>subtract</b>:</p>
<table style="border: 0; margin:auto;">
<tbody>
<tr style="text-align:center;">
<td><img src="images/number-line-6m1.gif" alt="number line 6-5 = 1" height="101" width="194" ></td>
</tr>
<tr style="text-align:center;">
<td>
<h3>6 − 5 = 1</h3>
</td>
</tr>
</tbody></table>
<p>&nbsp;</p>
<p>It is also great to help us with <b>negative numbers</b>:</p>
<table style="border: 0; margin:auto;">
<tbody>
<tr style="text-align:center;">
<td style="width:250px;"><img src="images/number-line-m3p2.gif" alt="number line -3 + 2 = -1" height="99" width="172" ></td>
<td style="width:250px;"><img src="images/number-line-m3m2.gif" alt="number line -3 - 2 = -5" height="99" width="192" ></td>
</tr>
<tr style="text-align:center;">
<td style="width:250px;">
<h3>−3 + 2 = −1</h3>
</td>
<td style="width:250px;">
<h3>−3 − 2 = −5</h3>
</td>
</tr>
</tbody></table>
<p>So when we get puzzling questions like "What is −6 plus 3" we can use the number line!</p>
<h2>More Examples:</h2>
<div class="script" style="height: 200px;">
images/number-line-using.js?mode=ex
</div>
<h2>Try It Yourself:</h2>
<p>Drag the points, see how it all works:</p>
<div class="script" style="height: 200px;">
images/number-line-using.js?mode=user
</div>
<h2>What Is Next</h2>
<p>Sometimes we get questions like</p>
<p class="center large">3 + (−6)</p>
<p class="center">Plus and Minus together?</p>
<p>Read <a href="../positive-negative-integers.html">How to Add and Subtract Positive and Negative Numbers</a> to find what to do.</p>
<p>&nbsp;</p>
<div class="questions">1977, 1978, 1979, 1980, 5062, 5063, 5064, 5065, 5066, 5067</div>
<div class="related">
<a href="../number-line.html">Number Line</a>
<a href="number-line-scroll.html">Scrolling Number Line</a>
<a href="../positive-negative-integers.html">How to Add and Subtract Positive and Negative Numbers</a>
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