Yum, these delicious ears of corn are almost ready to be picked! This math worksheet comes with a ruler to measure the cornstalks.

Get into some measurement mania! Challenge your third grader to mark the length of each object on the built-in ruler images.

Use this worksheet to introduce your child to map scale.

Rounding in centimeters sounds tricky, but it's simple, really. This ruler worksheet is sure to help your child wrap her head around this math concept.

Chances are your child knows how to round, but how about rounding in inches? Help him tackle this concept with an exercise in measuring to the nearest inch.