Not just an intro to a popular card game, this worksheet encourages quick-thinking and comparison, and helps kids learn to break problems down.

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

Your students will be working on mathematical reasoning skills and operations as they work to fill in this KenKen® puzzle.

This medium KenKen® puzzle will get your student using multiplication and logical thinking skills!

Shape up those problem solving skills with a fun block puzzle activity, comparable to tangram puzzles!

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

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.

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!

Your students will need to use addition and subtraction to decide which number goes in each square within this KenKen® logic puzzle.

Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

It's time to play KenKen®! This multiple operation logic puzzle is a little tricky, but completely possible for a beginner or intermediate player.

This fun puzzle will get your students using logic as they add, subtract, multiply, and divide their way towards the answer.

If your student is ready for a more difficult KenKen® puzzle, this may be it!

This 4x4 multiplication puzzle is perfect for a beginner who would like a challenge!

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

This beginner KenKen® grid requires the use of addition and subtraction, along with some logic, in order to figure out which number goes in each square.

This addition and subtraction KenKen® puzzle will help your students focus on improving his mathematical reasoning while testing their computation abilities.

This 4x4 KenKen® multiplication puzzle will get your student using a lot of logical thinking.

This difficult puzzle will help your students become a KenKen® master as they use different operations and a lot of logic to solve it!

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

Build a flurry of logic skills with Snowman Sudoku for third through fifth graders!

Try to create every number from 1 to 50 with the number four by using addition, subtraction, multiplication, division... even exponents and decimals!

Who came to the family reunion? Put your logic to the test and figure out how many people were actually at this reunion.

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

This simple, sporty Sudoku puzzle is perfect for kindergarteners! Your little sports star will get to build logic skills as he solves the picture Sudoku.