Free worksheets · Grade 2
Measure Length with a Ruler Worksheet
Read the length of each bar on an inch or centimeter ruler and write it with its unit.
Free printable
Measure Length with a Ruler
10 questions, one page, US Letter. Print it and do it on paper.
On the sheet: Check that the bar starts at the zero on the ruler. Find the number on the ruler where the bar ends. Write that number with its unit.
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About this worksheet
Measuring with a ruler means lining the object up at zero and reading where it ends. Second graders measure in inches and centimeters.
Some rulers on the sheet are in inches and some are in centimeters, so the unit is part of the answer.
A worked example
A bar starts at 0 on a centimeter ruler and ends at the 9.
- Check that the bar starts at 0.
- Find the number where the bar ends: 9.
- Write the number and its unit: 9 cm.
Answer: 9 cm
The common mistake
What it looks like: Starting at the 1 instead of the 0, and getting one too many.
Why it happens: The child counts the numbers printed on the ruler rather than the spaces between them.
How to fix it: Length is the spaces, not the numbers. Line the end up with 0, then read the number where it stops.
Ten minutes a day, on paper. We plan what comes next.
A printed page and a pencil. No screen, no login for your child. Snap a photo when they’re done: AI scores it, and what they missed comes back on the sheets that follow.
- Mon Measure Length with a Ruler
- Tue What they missed, back again
- Wed The next step, when they’re ready
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