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

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

Want a fun way to boost your third grader's multiplication skills? This winning worksheet integrates multiplication practice into a fun robot building activity!

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

Colorful pictures make this logic game ready for very young kids to start building their skills while simply having fun.

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

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?

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

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

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!

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.

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

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.

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!

Celebrate spooky season with this colorful puzzle for young learners!

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

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

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

Get into the spirit of fall with this middle-grade numbers puzzle!

Solve a cafeteria crisis with this first- and second-grade logic puzzle!

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.

Ponder place value puzzles in this fourth- and fifth-grade worksheet!

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.

Enjoy a fun-filled snow day in this middle-grade logic puzzle!