Children look at nine sequences of numbers and fill in the missing ones.

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

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

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

Count and subtract the Halloween pictures in this simple subtraction 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!

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.

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

Find out whether snowflakes are really unique in this counting worksheet that's snow much fun!