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.

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.

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.

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.

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.

Math maniacs, these challenging puzzles are for you! These four 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!

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

Wind your way to addition expertise in this inviting math maze worksheet!

Looking for a fun way to get your child to practice his times tables? Try out Math-Go-Round!

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

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

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.

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.

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.

How well can you navigate your multiplication facts? Find out in this engaging worksheet!

Are your math student ready for a challenge? They will need addition, subtraction, multiplication, and division in order to solve this KenKen® puzzle!

Find your way through this math maze by ordering your answers 1 through 10.

This double-whammy of an activity will have kids eager to add!

Practice addition facts within 10 with this high-flying math crossword puzzle!

Your students will need their math facts on hand to solve this KenKen® puzzle, a fun math and logic game.

Subtract your way to the end of a maze, with the added challenge of drawing your path along the answers in order from 10 to 1.

Your students will need their addition facts and a bit of logic to solve this KenKen® math puzzle.

Invite a little friendly competition into math practice with this third-grade multiplication and division worksheet!

Numbers are full of patterns! Can you use your knowledge of patterns in times tables and math facts to solve this riddle?

This KenKen® math puzzle is a ton of fun, and it requires a knowledge of simple addition facts and critical thinking skills.

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?"

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