Give your kid a real challenge with this number chart that counts to 100!

Have kindergarteners and first graders practice their counting skills by filling in the missing numbers on this hundred chart!

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

Dive into one- and two-digit counting practice with this fun worksheet!

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

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

How high can you count? First graders will strengthen their understanding of ones and tens with this hundreds chart. Students will fill in the missing numbers up to 120 and then answer questions using the chart.

Count and add the Halloween pictures in this simple addition 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.

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

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

Challenge your young learner to fill in all the missing numbers on the eggs, all the way to 50.

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

Practice counting and number recognition by filling in the missing numbers on each line.

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

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

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

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

Find the number of butterflies, flowers, rainbows, and watering cans in your garden with this spring-themed math worksheet for first graders! 

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