Put your state capital knowledge to the test in this big, bad state capital quiz!

Set sail on a secretive sea in this ocean-themed puzzle worksheet for upper elementary students!

Crack the code and break the ice with these clever riddles!

Take a daring dive into divison as you help a dragon crack the code! 

Become a decimal detective in this inviting expanded form worksheet!

Do you avoid stepping on cracks in the road? Have some fun exploring a common childhood superstition!

Use your addition and decoding skills to solve eight problems in this fun math puzzle!

Use music notes to complete a color-by-number in this worksheet for third and fourth graders!

In this excerpt from our upcoming Spy Math workbook, your kid gets to help secret agent Ian Danger by cracking the code on this mysterious message.

Help our agent Ian Danger crack the safe by re-grouping these combinations of digits!

To solve this math worksheet your kid will need to follow the instructions and use his knowledge of prime numbers.

Review common vocabulary words with this fun and creative color-by-number worksheet!

Ever crack a wishbone in half? Or perhaps you feel it's bad luck to spill the salt. Have some fun with food voodoo!

Take a crack at correcting run-on sentences (all based on classic Shakespeare quotes) in this page from one of our upcoming workbooks.

Step right up, Halloween experts! This creepy crossword puzzle is jam-packed with spooky clues and maddening monsters. Can you crack this challenging puzzle?

Your child can be a code breaker and practice her multiplication skills. Multiply three-digit numbers on this coded math worksheet, and help a math ninja out!

Take a crack at recreating an ancient art made famous by the Incan empire. Color in a sample textile, then use the next page to create your own from scratch.

Did you spill the salt? Step on a crack? Do you even care? You decide what, if anything, causes bad luck. Get the juices flowing for some creative writing.

Practice the concept of perfect squares with this fun worksheet. To uncover the code your child will need to determine if each number is a perfect square.

Your fourth grader can save Christmas by helping Santa decipher an important code. As they help Santa, they'll be getting some important practice with coordinates.

Bump up your 5th grader's U.S.expansion knowledge with this social studies worksheet that asks her to color code the states according to history.

Explore one of history’s earliest legal systems with this fifth- and sixth-grade nonfiction reading worksheet!

Help your kid get to know the state of Missouri with this DIY map. Mark major cities like St. Louis and Springfield and color-code the surrounding states.

There's a secret code hiding in this worksheet. Use your knowledge of American Sign Language to decode the hidden message.

Fifth graders practice multi-digit division as they work on cracking the riddle.

Secret codes and ninjas make everything more interesting, including subtracting 4-digit numbers!

Test your knowledge of the four sentence types with this upper elementary worksheet!

Practice dividing by two-digit numbers just got a lot more interesting thanks to secret codes and Ninja Aki.

Learners will use the alphabet key to unlock the words written in the heart in this playful Valentine's Day puzzle.