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

What do sea monsters eat? Solve the math problems in this worksheet to reveal the answer! This math worksheets gets kids to build math and spelling skills.

Put your child's cartographic skills to the test by having him assemble this puzzle that features the 50 U.S. states.

Use this space-themed Sudoku puzzle to help your 5th grader develop thinking skills. Pick your own difficulty level with Education.com's Worksheet Generator.

What shapes make up a rectangle and a hexagon? With your child, cut out smaller pieces and paste them together to make a bigger shape.

What can run but can't walk? Reveal the answer to this clever riddle by cracking the number code in this Riddles and Codes worksheet.

What has teeth but no mouth? Find out the answer to this and more riddles in this Riddles and Codes worksheet.

Students put their integer operation knowledge to the test in this fun math puzzle activity!

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

Explore spring-themed hink pink riddles with this fun word puzzle worksheet! 

Challenge your fourth grader to "sew" up a snazzy Sudoku puzzle!

"Sewing" up this Japanese number placement game is a project that will boost both your child's critical thinking and problem solving skills!

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.

Boots, sneakers, flip-flops, slippers—which new shoes did Maria get? Solve this puzzle to find out!

Let your learner try their hand at 14 of these rhyming riddles with this fun and relatable word puzzle worksheet!

Engage students in critical thinking with this line order-themed logic puzzle!

Give your fourth grader some inconspicuous practice with numbers with this colorful Sudoku puzzle!

Invite your learners to hop into some fun with this seasonal Easter puzzle worksheet!

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

Ready or not, engage students with this hide-and-seek-themed logic puzzle!