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

Complete the magic squares! The sum across each row and down each column must be the same as the sum along each diagonal.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a fun Sudoku puzzle with a zoo theme.

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

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

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.

Here's some shape fun for young learners. Cut out these colorful shapes to see how they can come together in a larger shape.

Calling all Sudoku and Ken Ken buffs! These math puzzles are tricky, but are a fun and simpler spin-off of the popular 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.

Build shape recognition and logical reasoning with this series of block puzzles! Similar to tangrams, kids will use blocks to fill in each 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.

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.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a fun Sudoku puzzle with a sports theme.

If your child is mad for math, give him a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Hey math buffs, do you need a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

Take the block puzzle challenge! This series of tangram-style geometry puzzles is a great way to build logic skills in your kindergartener.

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.

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

Play with shapes the hands-on way! Let your your kindergartener cut out these colorful shapes and arrange them into the outline of a house.

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

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.

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

In this second grade math worksheet, kids use their logical reasoning and critical thinking skills to solve four Sudoku number puzzles.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a colorful Sudoku puzzle.

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

Find the missing digits in the problems shown. Place your answers in the boxes provided.

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

Read all of the clues to determine the mystery number.

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

Think outside the box! Your child can exercise his logic by figuring out how quickly the mountain goat will get to the top of the hill.