Is your math whiz up to the challenge? She'll have to use logic and reasoning skills to solve this tricky addition puzzle!

This Nature Sudoku Challenge will allow your child to enjoy the beauty of nature pictures while using their critical thinking skills to solve the puzzle.

This hard level worksheet will allow your child to enjoy Halloween pictures while challenging her to solve the Sudoku puzzle!

Challenge your fourth grader to "sew" up a snazzy Sudoku puzzle!

Give learners an extra delicious challenge with level 2 of this Pie Picture Sudoku worksheet!

Challenge yourself to a ghostly maze right in the middle of one of London's creepiest landmarks.

Challenge learners with a delicious game of Pie Picture Sudoku with this engaging cut-and-paste worksheet!

Get ready for an even tastier challenge with level 3 of this Pie Picture Sudoku worksheet!

Challenge your third grader to this heart matching game! Beware: It's more difficult than you'd think!

Learners will use five clues to piece together four ghost stories in this fun logic challenge.

Teach your 1st grader about bees with this fun fact worksheet. Play Sudoku to challenge her logic puzzle skills!

Here's a fun challenge for your 5th grade math student. Practice addition and multiplication skills in preparation for factoring equations.

Challenge your fourth grader to solve this mind-stimulating Sudoku puzzle! He'll be feeling sweet as a honeybee when he's finished.

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

Challenge your fourth grader to an entertaining and educational Sudoku puzzle. She won't even realize she's exercising her brain!

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

Challenge your third grader to complete this perplexing maze modeled after the White House.

Get ready for a tangram challenge! Build math and reasoning skills by using all tangram shapes to re-create the picture on this page.

Challenge your second grader to create a Sudoku masterpiece! Deciphering the puzzle and finding the correct number placement will boost a number of skills.

Little math stars, get ready for a tangram challenge! Students will use all seven tangram shapes to re-create the picture on this page.

Hey math whizzes, here is a challenge for you! These math puzzles are tricky, but are a fun spin-off of the popular Ken Ken puzzle.

It's never too early to introduce your student to Sudoku, especially when it involves Halloween cupcakes! Challenge your student with this easy game of Sudoku.

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.

Don't get trapped in the Bermuda Triangle! You'll need to make some swift twists and turns to escape these notorious waters. Are you up for the challenge?

Give your child some practice with spelling. Search the word puzzles for five-letter words. Challenge him to build his vocabulary as he has some fun.

Is your child a math whiz who needs a challenge? These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

In this puzzle, learners will challenge themselves to create up to 28 different words from the phrase "Celebrate Valentine's Day."

This is for all you math whizzes who need a challenge! These math puzzles are tricky, but are a fun and simpler spin-off of the Ken Ken puzzle.

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.

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.