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

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

Students use algebraic thinking to find the value of each symbol in this Earth Day math puzzle!

This multi-part worksheet helps students practice identifying the differences between regular and irregular hexagons while also reviewing their knowledge of composite and prime numbers.

Find the value of each symbol with this Valentine's Day math puzzle!

Brush up on some simple math while following instructions! Change this string of ten numbers into just one number by following the directions very carefully.

Clues plus riddles? Is this a mystery or a math worksheet?

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.

Have some fun getting to know the basics of Roman numerals with this beginner's guide.

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.

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

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.

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

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