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

Learners put their division skills to the test in this fun puzzle activity!

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

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

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?

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!

What is a math teacher's favorite dessert? Pi! Find more funny riddles by doing this worksheet--a perfect combination of math practice and brain teasers.

Find out what fills a room, but takes up no space, with this riddle and math combo worksheet. Use subtraction skills to solve the riddle on this math worksheet.

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.

Do your students like puzzles? Then they'll love helping Sammy the Seal solve this one!

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

Help students sharpen their logic skills using this fun, thought-provoking nonogram puzzle!

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!

Do your students love puzzles? This one is a great introduction to KenKen®, a logic and math game from Japan.

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

Will your students help Tommy the Toucan solve this KenKen® puzzle? They'll need their addition and subtraction facts and the numbers 1 through 4.

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

This worksheet includes a collection of counting puzzles that require your child to connect dots in numerical order from 1 to 10.

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.