How Much Longer?
Measure both. Then find how much longer one is than the other.
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This is sheet #43924601.
How to do it
- Measure the first thing.
- Measure the second thing.
- Subtract to find how much longer.
Teaching tip
The difference is the part of the longer one that sticks out past the shorter one. This sheet is aligned with Common Core 2.MD.A.1.
About this worksheet
Two things on one centimeter ruler. Measure both, then find the difference.
What kids practice
Second graders learn to measure with a real ruler, in inches and in centimeters. They line the end of the object up with 0, read the number at the other end, and write the unit. They also learn that the same pencil is more centimeters long than inches long, because a centimeter is smaller, and they compare lengths by subtracting.
Watch for
- Starting at the edge of the ruler or at 1 instead of at 0.
- Counting the tick marks instead of reading the number.
- Forgetting to write the unit.
It's free to print, with an answer key. See the full inches and centimeters guide for 2nd grade.
