There's something fishy going on here! That's a silly pair of objects to practice using a ruler with. Just remember the all-important phrase,…

This cute printable challenges your third grader to practice identifying on a ruler the different heights that each of the critters can jump.

Which one is longer? Practice quantifying things in measurements using this beginner's worksheet!

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

Children practice estimating and comparing relative length in this engaging ordering worksheet.