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

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

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.

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

Count and subtract the Thanksgiving pictures in this simple subtraction worksheet!

Count and subtract the Thanksgiving pictures in this simple subtraction worksheet!

Count and subtract the Thanksgiving pictures in this simple subtraction worksheet!

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

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

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

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

Comb the beach for hats, starfish, pineapples, and seashells in this first-grade math 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!