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What's both fun and challenging? These Riddles and Codes worksheets, which pack a one-two punch of brain teasers.

Put your child's spelling skills to the test. She'll search for four-letter words hidden in the word puzzles. How many can she find?

Put your addition skills to the test with these puzzle boxes for second and third graders!

This puzzle printable features picture Sudoku for the Hanukkah season, with one puzzle for easy and one for medium.

Set your sleuth-in-training on the case with this hidden-message activity.

Practice your addition and multiplication skills in preparation for factoring equations using these baseball themed puzzles!

Now you can channel your kid's enthusiasm for robots into multiplication practice that's sure to educate as it entertains.

Strengthen students' logic and critical thinking skills with this engaging logic puzzle!

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

Hone spelling skills and logic skills, all in one fun word ladder activity! Change just one letter at a time to work their way down the ladder.

Introduce second- and third-grade learners to the exciting world of logic puzzles with this engaging worksheet!

Celebrate spooky season with this colorful puzzle for young learners!

If your child is done with easy- and medium-level picture Sudoku maybe she's ready for this one.

Make multiplication fun with this worksheet that will have your kid build a coral reef, well, a puzzle of one to be precise.

Soar to new spelling heights with these word ladders! Kids will hone spelling skills and logic skills, all in one fun activity.

Spruce up spelling practice with these challenging word ladder puzzles! Kids will change one letter at a time to create a group of new words.

Solve Sudoku for beginners by using logical reasoning and critical thinking skills to place numbers 1 through 4 in each row, column, and block only once.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 1, 2, 3, and 4.

Here's a colorful way to help your child see patterns in words. She'll change just one letter of each word to work her way down the ladder.

Kids will have a whale of a good time completing this Sudoku for beginners puzzle! Solve it by writing numbers 1 through 4 once in each row, column, and block.

WordGirl knows one place where she's sure to find lots of words - the library! This word scamble from PBS KIDS' WordGirl has lots of library words to find.

In the Starry Sudoku worksheet, kids solve four Sudoku puzzles. In each row, column, and block the numbers 1, 2, 3, and 4 must appear once and only once.

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.

Solve a sunny, summery sudoku puzzle in this sandcastle-themed puzzle!

A lion Sudoku puzzle might be just what your animal lover needs to work on logical reasoning and critical thinking. Try this lion Sudoku puzzle with your child.

This pig Sudoku puzzle is a great logical reasoning and critical thinking exercise for your child. Try this pig Sudoku puzzle with your child.

This spooky Sudoku puzzle is perfect for logical thinkers on Halloween. Solve this spooky Sudoku puzzle with your child.

On this third grade kids sudoku printable, kids use their logical reasoning and critical thinking skills to solve four Sudoku number puzzles.

A giraffe Sudoku puzzle gets your child to find the missing numbers using math skills. Solve this giraffe Sudoku puzzle with your child.

This octopus Sudoku puzzle lets your child fill in the missing numbers with the help of an underwater friend. Solve this octopus Sudoku puzzle with your child.