Give learners an extra delicious challenge with level 2 of this Pie Picture Sudoku worksheet!

What can run but can't walk? Reveal the answer to this clever riddle by cracking the number code in this Riddles and Codes worksheet.

Combine spelling practice with a fun word search puzzle! Your child will search for hidden four-letter words in these 3x3 puzzles.

Practice logic and deductive reasoning the fun way. Have your student put his thinking cap on and try out this fun and challenging logic worksheet.

Why is 2+2=5 like your left foot? ...Itâs not right! Find more riddles with this awesome worksheetâa perfect combination of math practice and brain teasers.

Put your detective-in-training on the case with this secret-message activity.

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

Why was 6 afraid of 7? 7 8 9 (seven ate nine)! Find more funny riddles to solve with this awesome addition worksheet.

This math and riddle worksheet gets your kid to figure out what runs without legs. Try our subtraction worksheet for an added dose of mystery with your math.

Challenge your fourth grader to "sew" up a snazzy Sudoku puzzle!

What happens when you combine the fun riddles of a game like 20 Questions with a bit of math practice?

Pre-algebra students can put their addition and multiplication skills to the test with these mind-bending diamond puzzles.

This Christmas brainteaser features two pages of colorful medium-level picture Sudoku for young kids.

This challenging number puzzle is a great way to boost your child's critical thinking skills and strategic ability.

Want a fun way to boost your third grader's multiplication skills? This winning worksheet integrates multiplication practice into a fun robot building activity!

What's both fun and challenging? These Riddles and Codes worksheets, which pack a one-two punch of brain teasers.

Hunt down clues and treasure in this scavenger hunt-themed logic puzzle worksheet!

Put on your thinking caps and then buckle in for this Fair Ride Frenzy logic puzzle!

Use your logic skills to out what each kid at the costume contest dressed up as! 

Help reunite Paul Bunyan and the blue ox, Babe, by drawing a line that connects the two of them. Then color it in when you're finished.

In the Starry Sudoku worksheet, kids solve four Sudoku puzzles. In each row, column, and block the numbers 1, 2, 3, and 4 must appear once and only once.