Teach your kids about optical illusions using these three puzzle sheets. Their minds will be tickled as they see how our vision can play tricks on us.

Give your fourth grader some inconspicuous practice with numbers with this colorful Sudoku puzzle!

Put a wonderful winter spin on math and reasoning practice with this festive sudoku puzzle!

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

Solve the puzzle to practice your problem solving and critical thinking skills as you "paint by number" with this fun sudoku puzzle.

Sew together some critical thinking and problem solving skills along with some basic math practice as you solve this fun sudoku puzzle.

What is a math teacher's favorite dessert? Pi! Find more funny riddles by doing this worksheet--a perfect combination of math practice and brain teasers.

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.

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.

Have fun with grammar and decode these scrambled adjectives, all starting with the letter A! This is a great way to work vocabulary and spelling skills.

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

This subtraction worksheet gets your child to solve problems to answer a tricky riddle. Find out the answer to "What kind of room has no windows or doors?"

Subtract your way through these math problems, and you'll be pleasantly surprised with the answer to a tricky riddle.

What do sea monsters eat? Solve the math problems in this worksheet to reveal the answer! This math worksheets gets kids to build math and spelling skills.

This math worksheet tests your child's addition and riddle-solving skills. Find out the answer to the riddle, "Which month has 28 days?"

What has to be broken before it can be used? Find out the answer to this riddle and more in this fun riddle and math combination worksheet.

Find out what fills a room, but takes up no space, with this riddle and math combo worksheet. Use subtraction skills to solve the riddle on this math worksheet.

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

Riddles plus math? Now that sounds like a winning combination!

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!

Hey math whizzes, here is a challenge for you! These math puzzles are tricky, but are a fun spin-off of the popular 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.

Calling all Sudoku and Ken Ken buffs, here's a little something new! These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

If your student needs a challenge in math, try these math puzzles! These math grids are tricky, but are a 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.

Keep your amazing math student on his toes with some challenging puzzles! These math grids are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

Calling all Sudoku and Ken Ken buffs, we have a new addicting puzzle for you! These are tricky, but a fun spin-off of the popular Ken Ken puzzle.

Sudoku and Ken Ken enthusiasts will enjoy this mad math puzzle, full of addition, subtraction, multiplication, and division challenges.

Strengthen students' logic and critical thinking skills with this engaging logic puzzle!