Printable Measuring Length Worksheets

Printable measuring length worksheets for 1st and 2nd grade, with an answer key on every sheet. The sets below cover 4 different skills, so you can start where your child actually is. Available as visual guides.

Targeted Practice by Skill

About Measuring Length

What this skill is

Measuring length teaches children to align rulers correctly at the 0 mark (not ruler edge) to measure object lengths in inches, feet, centimeters, and meters.

When children learn it

Ruler length measurement is taught in 1st through 3rd grade, aligned to 2.MD.A.1 and 2.MD.A.2.

Teaching Tips

  • Align object starting line strictly with the ruler 0 tick mark.
  • Double-check whether worksheet requires inches or centimeters.

Common Mistakes

  • Aligning the object edge to the 1 inch mark instead of the 0 mark.
  • Reading ruler tick mark fractions incorrectly.