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

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

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!

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.

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.

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.

Are you ready for a connect-the-dots challenge? See if your math whiz can connect all nine dots using only four lines and never lifting their pen from the paper.

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

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.

Use your logic skills to out what each kid at the costume contest dressed up as! 

Build math and logic skills with this holiday-themed Sudoko puzzle.