Five pages about comparing lengths. On pages 1 and 2 every object lies on its own ruler with its end at 0, in inches and then in centimeters: students write both lengths, then how much longer one is. Page 3 has four length story problems with a number line under each, where students show the jumps from one length to the other. Page 4 has six story problems in inches, feet, yards, centimeters, and meters, some with two steps. Page 5 asks for the best estimate of real things, like a crayon, a door, and a football field.
Before page 1, have partners measure two pencils or two crayons with real rulers and tell how much longer one is. Page 3 works well on the board first: jump to the next ten, then by tens, then by ones, and add up the jumps together.
Measure two spoons, two shoes, or two toys with a ruler and ask how much longer one is. On page 5, find the real thing at home and check the estimate together.
This pack supports the following Common Core State Standards for Mathematics:
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Comparing lengths in inches and centimeters to find how much longer one thing is. Students measure with rulers, show differences as jumps on a number line, solve length word problems and pick the best estimate.
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