Use this check-in to assess your students’ abilities to count two-digit and three-digit numbers within 120.

Kids visually estimate the number of fish swimming on this worksheet. After making their guess, they check it by counting each fish.

Kids practice estimation by guessing the number of stars on this first grade math worksheet. Then they check their guess by counting the stars.

This first grade math worksheet helps your child practice estimation, an important skill he will use as he progresses in math, and throughout his life.

Can your first grader count from 1 to 50? Test his counting and writing skills with this colorful printable.

Search for acorns, mugs, pumpkins, and mushrooms with this fall-themed addition worksheet for first graders!

Add and subtract using ghosts, pumpkins, and more with this Halloween worksheet for first graders!

The fun quickly adds up with this winter-themed addition activity page for first graders!

Find out whether snowflakes are really unique in this counting worksheet that's snow much fun!