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

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!

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.

If your third grader loves robots, but needs some help with multiplication, then we've got the worksheet for him!

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

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.

Can you third grader use his multiplication skills to put the mixed-up robot back together? He'll boost his mental math skills, too!

This fun-filled, yet educational printable packs in multiplication and mental math practice as it shows your third grader how to build his own robot.

Addition doesn't have to be puzzling—practice finding sums with these puzzle boxes!

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

Your students will need their addition facts and a bit of logic to solve this KenKen® math puzzle.