Uncover a silly summertime joke with this fun code-breaking worksheet for first and second graders!

Celebrate St. Patrick’s Day by cracking a cryptic code!

First and second graders will be cracking codes and cracking up while they uncover this Valentine’s Day joke!

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

Every child loves to communicate in secret code! Learn the Morse Code alphabet with this great printable.

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

Put your detective-in-training on the case with this secret-message activity.

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

Uncover a punny spring joke in this first- and second-grade worksheet!

Decode a fall-themed joke with this fun first- and second-grade worksheet!

Use fruits and vegetables to decode a message in this berry fun activity!

Learn to rhyme at any time with this engaging worksheet!

Learn some of the common Morse code prosigns with this fun activity!

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!

Decode the history of Morse code with this reading comprehension activity.

Discover a delightful seasonal joke by solving a charming word puzzle!

Crack the code of the missing starting number with this investigative subtraction worksheet!

Decode an Earth Day joke with this engaging worksheet for first and second graders!

In this exercise your students will color code the key components of an example informative paragraph.

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

Become a decimal detective in this inviting expanded form worksheet!

Decode the secret message Ninja Aki has sent you! He writes his messages in addition and subtraction problems. Solve and unravel his secret ninja message!

Have your second and third graders think like detectives as they crack the code and solve the compound word mystery!

Have your first and second graders try to crack the code and solve the puzzle, one number box at a time!

Each Christmas gift in this math and coloring worksheet contains an addition or subtraction problem that helps your child crack the color 'code.'

Looking for a fun word puzzle? This printable worksheet challenges your child to use logic and counting to crack a secret code!