Kids get a lesson in estimation as they color objects that weigh more than a pound red and objects that weigh less than a pound blue.

Help your students become more comfortable with using metric units by providing them with an opportunity to think deeply about what unit of length they should use in different situations and why!

Brr! The temperature is dropping on this word problem worksheet. Can you figure out the final temperature by reading a thermometer and subtracting the degrees?

This flying bat makes a fantastic math learning exercise! Pull out your ruler measure his wingspan, his ears and his body.