Follow the clues to find mystery numbers with this second-grade hundred chart worksheet!

Celebrate an important American holiday while you work on your math operations!

Embrace Earth Day with this classic number puzzle for third through fifth graders!

Pack your picnic baskets and get ready to solve this classic number puzzle!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Add a fun twist to math practice with these second- and third-grade addition puzzles!

Put your addition skills to the test with these puzzle boxes for second and third graders! 

Put your addition skills to the test with these puzzle boxes for second and third graders!

Addition doesn't have to be puzzling—practice finding sums with these puzzle boxes!

Shape up your addition skills with these square puzzles!

Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

Complete this picture puzzle to polish your mixed operations prowess!

Make a splash with this spring-themed sudoku for third, fourth, and fifth graders!

Embrace Easter celebrations with this puzzle for third, fourth, and fifth graders!

Solve a sunny, summery sudoku puzzle in this sandcastle-themed puzzle!

This winter, curl up with a mug of cocoa and a tricky puzzle!

Save your day from boredom with the help of this sudoku puzzle!

Need a fun activity to do on a long drive? Look no further than this tricky sudoku puzzle!

Solve math puzzles so you aren’t puzzled by addition problems in the future!

Solve a sweet sudoku puzzle in this Valentine’s Day-themed worksheet for first and second graders!

This Valentine’s Day-themed sudoku puzzle is as sweet as can be!

Give your brain a fun workout as you complete this summery worksheet!

Get comfy by the fireplace as you solve this fun math puzzle!

Build a flurry of logic skills with Snowman Sudoku for third through fifth graders!