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

Before you dress up and go trick-or-treating, try a problem-solving challenge full of cool Halloween costumes!

Challenge your math brain with a tricky worksheet that throws in addition, subtraction, multiplication and division!

Use this glossary with the EL Support Lesson: How Did You Solve the Puzzle?

Arrange the numbers in the magic square so that the sum of the numbers in any direction is 15.

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

This fast math game requires just a deck of cards. Kids need to arrange cards from least to greatest, as fast as they can, by swapping adjacent cards.

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

Fun Fun puzzles are almost like Ken Ken! These ones are tricky, but very fun to solve. Give your student a fun way to practice simple arithmetic.

Children will follow the clues to shade in the numbers on a hundreds board in this playful math puzzle.

Take brain teasers to the next level with this extra-challenging magic square puzzle that features decimals!

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

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

Read the word problem, then draw a picture to help solve it.

Brush up on the different types of polygons and what makes them unique!

Read all of the clues to determine the mystery number — and be sure to show your work!

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.

Use these vocabulary cards with the EL Support Lesson: How Did You Solve the Puzzle?

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.

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.

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.

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.

Read the problem, then draw a picture to help solve it.

Read the problem, then draw a picture to help solve it.

Do you detect a pattern here? Solve the problems by making a table.

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.

Students will review the properties of regular and irregular hexagons.

Students will love getting creative as they design a picture while reviewing the properties of regular and irregular hexagons.

Engage students in critical thinking with this line order-themed logic puzzle!

Boost critical thinking skills—and appetites!—with this fun ice cream-themed logic puzzle!