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

Estimation is an important part of math and science. Practice estimating length by using your best guess!

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

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

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

Help your child with their spatial awareness and observation skills with this worksheet, which challenges them to order the people from tallest to smallest.

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

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

Learn how to measure in inches using items found around your house or classroom!

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!