You just won an amazing prize, but it’s locked in a safe! Thankfully, the code is a single integer between -40 and 40, and you’ve got the clues to solve it.

Christmas sudoku lets your child exercise his brain while cutting a pasting festive holiday images. Play Christmas sudoku with your child this holiday season.

Does your child love a good challenge? This multiplication KenKen® puzzle is a difficult one!

Here's a fun puzzle that will introduce your child to basic logic, plus teach him a little about process of elimination.

Several people in this worksheet are part of a club. Help your child identify what the club kids have in common!

Help your child with his logic and number skills with this fun worksheet, which is similar to the number puzzle game of Sudoku.

This helpful worksheet will introduce your child to Roman numerals, with a brief history, a conversion chart, and a few questions at the end.

Help your child practice math with this worksheet, which practices using math symbols like plus, minus, greater than, and less than.

Uh oh, someone mislabeled these boxes of fruit! Can your child use their logic to figure out which fruit is in which box?

If your child has a knack for number games, he'll love this mysterious math puzzle. Kids will use addition, subtraction, multiplication, and division skills.

Practice the concept of perfect squares with this fun worksheet. To uncover the code your child will need to determine if each number is a perfect square.

Think outside the box! Your child can exercise his logic by figuring out how quickly the mountain goat will get to the top of the hill.

Is your child a math whiz who needs a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Looking for a way to get your child excited about math? Try these math puzzles, a tricky but fun spin-off of the popular Ken Ken puzzle!

Looking for a way to get your child excited about math? These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

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.

Does your child need a little challenge in math and problem solving? These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

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

Regular math problems will be a piece of cake after you master one of these complex riddles!

Is your integer addition accurate enough to hit the bullseye every time? Find out in this addition activity!

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 second- and third-grade puzzle boxes!

This missing numbers math puzzle will get your kid thinking creatively. Kids who enjoy Ken Ken and Sudoku puzzles will like this amazing math puzzle.

Looking for a worksheet to help your kid's math skills? This printable is all about Sudoku.

Test your preschooler's knowledge of colors and add a bit of problem solving too. Which sporting uniform belongs to which player?