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<!DOCTYPE html>
<html data-require="math">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Multiplying by multiples of 10</title>
<script src="../khan-exercise.js"></script>
</head>
<body>
<div class="exercise">
<div class="vars">
<var id="BIGFACTOR">randRange(2, 9) * 10</var>
<var id="SMALLFACTOR">randRange(1, 9)</var>
</div>
<div class="solution" data-type="multiple">
<code>\Large{?} = {}</code>
<span class="sol" data-forms="integer"><var>BIGFACTOR * SMALLFACTOR</var></span>
</div>
<div class="problems">
<div id="bigfirst-left">
<p class="question">
<code>\Huge{\blue{<var>BIGFACTOR</var>} \times \green{<var>SMALLFACTOR</var>} = {?}}</code>
</p>
<div class="hints">
<p><code>
<code>\huge{\blue{10} \times \blue{<var>BIGFACTOR / 10</var>} \times \green{<var>SMALLFACTOR</var>} = {?}}</code>
</code></p>
<p><code>
<code>\huge{\blue{10} \times <var>BIGFACTOR / 10 * SMALLFACTOR</var> = {?}}</code>
</code></p>
<p><code>
<code>\huge{{?} = <var>BIGFACTOR * SMALLFACTOR</var>}</code>
</code></p>
</div>
</div>
<div id="bigfirst-right">
<p class="question">
<code>\Huge{{?} = \blue{<var>BIGFACTOR</var>} \times \green{<var>SMALLFACTOR</var>}}</code>
</p>
<div class="hints">
<p><code>
<code>\huge{{?} = \blue{10} \times \blue{<var>BIGFACTOR / 10</var>} \times \green{<var>SMALLFACTOR</var>}}</code>
</code></p>
<p><code>
<code>\huge{{?} = \blue{10} \times <var>BIGFACTOR / 10 * SMALLFACTOR</var>}</code>
</code></p>
<p><code>
<code>\huge{{?} = <var>BIGFACTOR * SMALLFACTOR</var>}</code>
</code></p>
</div>
</div>
<div id="smallfirst-left">
<p class="question">
<code>\Huge{\blue{<var>SMALLFACTOR</var>} \times \green{<var>BIGFACTOR</var>} = {?}}</code>
</p>
<div class="hints">
<p><code>
<code>\huge{\blue{<var>SMALLFACTOR</var>} \times \green{<var>BIGFACTOR / 10</var>} \times \green{10} = {?}}</code>
</code></p>
<p><code>
<code>\huge{<var>BIGFACTOR / 10 * SMALLFACTOR</var> \times \green{10} = {?}}</code>
</code></p>
<p><code>
<code>\huge{{?} = <var>BIGFACTOR * SMALLFACTOR</var>}</code>
</code></p>
</div>
</div>
<div id="smallfirst-right">
<p class="question">
<code>\Huge{{?} = \blue{<var>SMALLFACTOR</var>} \times \green{<var>BIGFACTOR</var>}}</code>
</p>
<div class="hints">
<p><code>
<code>\huge{{?} = \blue{<var>SMALLFACTOR</var>} \times \green{<var>BIGFACTOR / 10</var>} \times \green{10}}</code>
</code></p>
<p><code>
<code>\huge{{?} = <var>BIGFACTOR / 10 * SMALLFACTOR</var> \times \green{10}}</code>
</code></p>
<p><code>
<code>\huge{{?} = <var>BIGFACTOR * SMALLFACTOR</var>}</code>
</code></p>
</div>
</div>
</div>
</div>
</body>
</html>
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