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243 lines
7.8 KiB
HTML
243 lines
7.8 KiB
HTML
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Activity: Discover Lengths</title>
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<article id="content" role="main">
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<!-- #BeginEditable "Body" -->
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<h1 class="center">Activity: Discover Lengths</h1>
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<p>This is a simple but very useful activity:</p>
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<div class="center80">
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<p class="center larger">Measure the length, width and height of everyday items</p>
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</div>
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<p>You will need:</p>
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<ul>
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<li>A ruler (for smaller items)</li>
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<li>A tape measure (for larger items)</li>
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<li>Pen and paper</li>
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</ul>
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<p>Measure using millimeters (mm) or inches (in). Try to do both if you can.</p>
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<h2 align="left">Length</h2>
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<div class="center80">
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<p class="center larger"><b>Length</b> is the distance from end to end.</p>
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</div><p style="float:right; margin: 0 0 5px 10px;"><img src="../geometry/images/cuboid-lwh.svg" width="206" alt="cuboid" /></p>
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<p>But "Length" can <b>also</b> mean the longer distance across:</p>
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<ul>
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<li><b>Length</b>: Longer distance across</li>
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<li><b>Width</b>: Smaller distance across</li>
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<li><b>Height</b>: vertical distance</li>
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</ul>
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<p>But here we are interested in any distance (length, width or height).</p>
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<div class="words">
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<p>Spelling: Leng<b>th</b> and Wid<b>th</b> end in "th", but Heigh<b>t</b> ends in a "t"</p>
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</div>
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<h2>Using A Ruler</h2>
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<p>Make sure one end of the object is at the "0" mark and read the number at the other end. You can also count the little marks between the numbers for a more accurate answer.</p>
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<p class="center"><img src="images/lengths-4.jpg" width="300" height="114" alt="length fork" /><br>
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Measuring the length of a fork (8 inches or 200 mm long)</p>
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<h2>Using a Tape Measure</h2>
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<p>A tape measure has a little right-angled "hook" at the start ... you can use this to hold on to one edge while you pull the tape measure to the other edge.</p>
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<p>Make sure you measure straight across (or straight up and down) or your answer will be wrong.</p>
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<p class="center"><img src="images/lengths-1.jpg" width="200" height="146" alt="length across door" /><br>
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Measuring the width of a door (820 mm wide).</p>
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<p class="center"><img src="images/lengths-2.jpg" width="250" height="128" alt="length across table" /><br>
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Measuring the width of a table.</p>
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<p class="center"><img src="images/lengths-3.jpg" width="120" height="220" alt="length back of chair" /><br>
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Measuring the height of a chair.</p>
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<h2>Fill In This Table</h2>
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<p style="page-break-before: always">Measure the following items (including three others that you find):</p>
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<table border="1" align="center">
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<tr>
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<td width="200" class="large">Item</td>
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<td width="120" align="center" class="large"> Guess </td>
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<td width="120" align="center" class="large"> Actual </td>
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</tr>
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<tr>
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<td>Paperclip (width)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Teaspoon (length)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Fork (length)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Pencil (length)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Chair seat (height)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Chair back (height)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Table (width)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Table (length)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Table (height)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Door (width)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Door (height)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Car (width)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Car (length)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Car (height)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Hallway (width)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Hallway (length)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td>Hallway (height)</td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td> </td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td> </td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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<tr>
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<td> </td>
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<td height="30"> </td>
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<td> </td>
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</tr>
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</table>
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<h2>From Smallest to Largest</h2>
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<p>Now, list the items above, from the <b>smallest to largest</b> distance:</p>
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<p>Example: Paperclip (width), Teaspoon (length), Pencil (length), ...</p>
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<table width="80%" border="1" align="center">
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<tr>
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<td height="180"> </td>
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</tr>
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</table>
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<p> </p>
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<div class="related">
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<a href="../measure/metric-length.html">Metric Length</a>
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<a href="index.html">Activity Index</a>
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Copyright © 2020 MathsIsFun.com
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