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

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

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

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

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.

Children will fill in the missing numbers from 950 to 999 in this number-ordering worksheet.

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.

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

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

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 Halloween pictures in this simple addition worksheet!

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

Count and add the Thanksgiving 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.

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