Read all of the clues to determine the mystery number.

Read all of the clues to determine the mystery number.

Read all of the clues to determine the mystery number — and be sure to show your work!

Practice mixed operations with this fourth-grade math puzzle!

The school day is over, but the backpacks are all mixed up! Can you help each student find their backpack?

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

Calling all Sudoku and Ken Ken buffs! Give your student a fun way to practice math and problem solving with these fun puzzles.

Calling all Sudoku and Ken Ken buffs! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Introduce second- and third-grade learners to the exciting world of logic puzzles with this engaging worksheet!

Calling all Sudoku and Ken Ken buffs! These math puzzles are tricky, but are a fun and simpler spin-off of the popular Ken Ken puzzle.

This is for all you math whizzes who need a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

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

In this second grade math worksheet, kids use their logical reasoning and critical thinking skills to solve four Sudoku number puzzles.

Sort out Valentine’s Day cards with this fun first- and second-grade logic puzzle!

Are you ready for a connect-the-dots challenge? See if your math whiz can connect all nine dots using only four lines and never lifting their pen from the paper.

On this second grade math worksheet, kids use their logical reasoning and critical thinking skills to help Bart the Bear solve four Sudoku number puzzles.

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

Challenge your third graders with a cool winter math puzzle!

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

First and second graders will have snow much fun with this winter-themed puzzle worksheet!

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

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

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!

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

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! 

Gather your supplies for the start of the school year with this sudoku for first, second, and third graders!

Seek out the symbols of spring in this cheerful math worksheet!

This fast math game requires just a deck of cards. Kids need to arrange cards from least to greatest, as fast as they can, by swapping adjacent cards.