If your child is mad for math, give him a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Practice mixed operations with this fourth-grade math puzzle!

Clap, splash, and zoom with this onomatopoeia crossword puzzle tailored for fourth and fifth graders!

Test your students' knowledge and memory of periodic table elements with this crossword puzzle.

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

Ahoy! If your child fancies herself a pirate, this Treasure Island crossword puzzle is for her.

Put your fifth grader's holiday knowledge to the test with a colorful crossword puzzle full of trivia clues all about Hanukkah!

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 second- and third-grade puzzle boxes!

Complete this picture puzzle to polish your mixed operations prowess!

Put your U.S. history trivia to the test with this quick crossword puzzle that reviews famous people, places and things from colonial history.

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

Challenge your third graders with a cool winter math puzzle!

An inventive twist on the crossword, the Cross-Number Puzzle uses answers to math problems instead of little-known facts (some say it's easier that way!)

Review energy terminology with this fun fourth-grade crossword puzzle!

This addition puzzle is a great math challenge. Experiment with the number combinations to find the requested sums.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

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

Reveal a playful picnic by completing this first- and second-grade place value puzzle!

Throw your math student a curve-ball with these pre-algebra puzzles! He'll practice addition and multiplication skills to solve each puzzle.

Engage students in critical thinking with this line order-themed logic puzzle!

Learners put their division skills to the test in this fun puzzle activity!

Students gain additional practice using the order of operations with this engaging math puzzle!

Your third grader will have fun figuring out clues with this colorful crossword puzzle all about Christmas! She'll even sneak in some handwriting practice too.

Learn more about our planet with this fun crossword puzzle for second and third graders!

Use your multi-digit multiplication and division skills to complete this fifth-grade puzzle!

See if you can sort out the snowmen in this seasonal puzzle!

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Quiz your third grader on his knowledge of winter sports, and encourage spelling practice with this fun crossword puzzle.