Introduce your first grader to centimeters by helping her measure some familiar things: school supplies!

Learn to count with cute and colorful fruit! This worksheet gives kids a workout in recognizing visual representations of matching numbers.

Get wise about wind! Even though you can't see it, wind is a powerful force caused by changing temperature in the air.

Students learn how to compare animals using the words “bigger” and “smaller.”

Rain or shine, get ready for some weather watching! Record data to observe the weather patterns over the course of a week.

This thermometer worksheet gives your child practice reading and using a thermometer. Try this thermometer and temperature worksheet with your child.

Practice measuring in centimeters with this beginner's worksheet! Kids can use the cut-out ruler to measure each item in centimeters.

You can measure length with all kinds of units, not just inches and centimeters!

Use a paperclip “ruler” to measure common objects in this colorful worksheet!