Get to know your numbers with a number chart jigsaw puzzle! Your child can cut up this chart and use their knowledge of number patterns to put it back together.

Hmm, something is fishy with this dot to dot puzzle. It must be April Fools' Day!

Learners will use their two-digit counting skills to complete a puzzle in this fun number sense worksheet.

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

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

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

Children complete a dot-to-dot puzzle from 0 to 30 to reveal a horse's quiet shelter in this number sense worksheet.

Looking for a worksheet to help your child with his math skills? This printable is all about counting.

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

Help your child practice his counting skills with this printable worksheet, which will help him identify odd numbers.

Searching for a worksheet that practices counting skills? This printable asks your child to determine which series of numbers is counting by twos.

Does your child need practice with his math skills? This printable worksheet, which will help him count up to 100, will give him practice counting by 2's.

Does your child need practice with his math skills? This printable worksheet, which will help him count up to 100, will give him practice counting by 5's.

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

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

Track down the word form of numbers with this engaging word search for first graders!

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.

Kids count by twos on this first grade math worksheet. Skip counting by twos is one way children can demonstrate the meaning of addition.

Kids visually estimate the number of oranges on a set of trees, then count the oranges one by one and see how close they were. Then they color the page.

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

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

Kids count by fives to 100 on this first grade math worksheet. Skip counting by fives is one way children can demonstrate the meaning of addition.

Hunt for decorative hearts in this Valentine’s Day-themed graphing worksheet for kindergarteners and first graders!

Sharpen your first grader's number sense with an exercise in recognizing number patterns.

Help your first grader build her number sense with this worksheet featuring number patterns by 2, 5, and 10.

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 fill in the missing numbers to complete a hundreds counting chart in this number sense worksheet.

Kids find the missing numbers to complete the iceberg grid. This first grade math worksheet offers practice counting whole numbers to 100 and counting by fives.

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Count and add the Thanksgiving pictures in this simple addition worksheet!