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190 lines
6.7 KiB
HTML
190 lines
6.7 KiB
HTML
<!DOCTYPE html>
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<html lang="en"><!-- #BeginTemplate "/Templates/Main.dwt" --><!-- DW6 -->
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Convert Decimals to Percents</title>
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<div id="adTop"></div>
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<header>
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<div id="hdr"></div>
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<div id="tran"></div>
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<div id="adHide"></div>
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<div id="cookOK"></div>
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<div class="mid">
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<nav>
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<div id="menuWide" class="menu"></div>
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<article id="content" role="main">
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<!-- #BeginEditable "Body" -->
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<h1 class="center">Convert Decimals to Percents</h1>
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"Percent" means "per 100" so:
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<div class="def">
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<p><b>Multiply the Decimal Number by 100</b>%</p>
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<p>This is safe to do because 100% = 1, and multiplying by 1 does not change the value.</p>
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</div>
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<div class="example">
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<h3>Example: Convert 0.125 to percent</h3>
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<p>Multiply 0.125 by 100%:</p>
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<p class="center larger">0.125 × 100% = <b>12.5%</b></p>
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<p>Don't forget the % sign!</p>
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<p>Answer <b>0.125 = 12.5%</b></p>
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</div>
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<p>The easy way to multiply by 100 is to <b>move the decimal point 2 places to the right</b>:</p>
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<div class="simple">
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<div class="indent50px">
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<table style="border: 0; margin:auto;">
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<tbody>
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<tr>
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<td class="larger">From Decimal </td>
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<td class="larger" align="right">To Percent</td>
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<td> </td>
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</tr>
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<tr>
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<td colspan="2"><img src="numbers/images/decimal-to-percent.svg" alt="decimal to percent" height="65" width="340"></td>
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<td class="larger">move the decimal point <b>2 places to the right</b><br>
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(and add the "%" sign!)</td>
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</tr>
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</tbody></table>
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</div>
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</div>
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<p>More Examples:</p>
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<div class="example">
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<h3>Example: Convert 0.35 to percent</h3>
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<p>Move the decimal point two places to the right: 0.35 → 3.5 → 35%</p>
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<p>Answer <b>0.35 = 35%</b></p>
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</div>
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<div class="example">
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<h3>Example: Convert 0.985 to percent</h3>
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<p>Move the decimal point two places to the right: 0.985 → 9.85 → 98.5%</p>
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<p>Answer <b>0.985 = 98.5%</b></p>
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</div>
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<p>You may also need to add zeros on the right to move the decimal point:</p>
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<div class="example">
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<h3>Example: Convert 1.2 to percent</h3>
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<p>Move the decimal point two places to the right: 1.2 → 12. → 120.%</p>
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<p>Answer <b>1.2 = 120%</b></p>
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</div>
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<h2>Why</h2>
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<table style="border: 0;">
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<tbody>
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<tr>
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<td><span style="float:left; margin: 10px;"><img src="numbers/images/percent-grid-50.svg" alt="grid 50 of 100" height="144" width="144"></span></td>
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<td>
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<p>These all mean the same thing:</p>
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<ul>
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<li><b>0.5</b> (half) of the box is green.</li>
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<li>50 of the 100 squares are green,</li>
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<li><span class="intbl">
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<em>50</em>
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<strong>100</strong>
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</span> of the box is green,</li>
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<li><b>50%</b> of the box is green.</li>
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</ul> </td>
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</tr>
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</tbody></table>
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<p class="center large">So <b>0.5</b> (a decimal number) = <b>50%</b> (a percentage)</p>
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<p>The "%" tells you that there is a hidden "/100" there.</p>
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<table style="border: 0;">
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<tbody>
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<tr>
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<td><span style="float:left; margin: 10px;"><img src="numbers/images/percent-grid-25.svg" alt="grid 50 of 100" height="144" width="144"></span></td>
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<td>
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<p>Another example:</p>
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<ul>
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<li><b>0.25</b> (a quarter) of the box is green.</li>
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<li>25 of the 100 squares are green,</li>
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<li><span class="intbl">
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<em>25</em>
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<strong>100</strong>
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</span> of the box is green,</li>
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<li><b>25%</b> of the box is green.</li>
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</ul></td>
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</tr>
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</tbody></table>
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<p class="center large">So <b>0.25</b> (a decimal number) = <b>25%</b> (a percentage)</p>
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<div class="indent50px"></div>
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<p> </p>
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<div class="questions">1364,897,1321,898,1322,1365,1366,3492,3493,3494</div>
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<div class="related">
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<a href="converting-percents-decimals.html">Convert Percents to Decimals</a>
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<a href="decimal-fraction-percentage.html">Decimals, Fractions and Percentages</a>
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<a href="percentage-calculator.html">Percentage Calculator</a>
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<a href="decimals.html">Introduction to Decimals</a>
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<a href="percentage.html">Introduction to Percentages</a>
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<a href="decimals-menu.html">Decimals Index</a>
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<a href="percentage-menu.html">Percents Index</a>
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</div>
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</article>
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<div id="copyrt">Copyright © 2021 MathsIsFun.com</div>
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