Engage students in a competitive game of Penny Toss!

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

How well does your kid know number order? Test his skills with this number sequencing worksheet.

Is your first grader clever at counting? This space-themed printable encourages practice with the numbers from 50 to 100.

Let's get counting! Work your way across the tennis court to count from 50 to 100.

This number challenge will help reinforce number sense in kids who've mastered their counting.

Connect the dots from 1-50 to reveal a hovering helicopter.

Children will fill in the missing numbers from 63 to 72 in this sweet number sense worksheet.

Children will fill in the missing numbers from 46 to 50 in this sweet number sense worksheet.

Children will fill in the missing numbers from 95 to 100 in this sweet number sense worksheet.

Help your first grader practice counting with a tugboat dot to dot.

Is your kid confused by counting? Counting on a hundreds chart, to the rescue!

Kids find the missing numbers to complete the egg number grid. This first grade math worksheet helps kids practice counting whole numbers to 100.

Children will practice counting from 1 to 40 as they complete this simple dot-to-dot worksheet.

Give your child practice counting objects with this printable worksheet, which focuses on the numbers 20 through 25.

Help your child practice counting objects with this printable worksheet, which focuses on the numbers 25 through 30.

Take countdowns to the next level with this two-digit backwards counting worksheet.

Most kids are good at counting forward, but counting backward is a different ball game. Practice counting down by filling in the blanks with the right numbers.

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