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

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

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.

Discover the origins of our written alphabet! This chart shows the progression of glyphs and symbols that eventually led to the English alphabet.

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

This worksheet will have your students use codes to help them understand the meaning of the story.

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

Football players use code words, including colors, to communicate with each other. Your child will need to use some codes and colors to find the hidden message.

Secret codes beat boring basic math practice any day! Your child can use his addition skills to discover the mystery location of this worksheet.

Codes, colors, and pointing will all help your young student to practice one-to-one correspondence in this interactive worksheet. Students will touch each color-coded word with a corresponding finger while an adult reads the story aloud.

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

Learn about one of the world's most mysterious pieces of written text, the Voynich manuscript, which has never been deciphered.

Did you know that there are roughly 6,500 spoken languages? Take a closer look at some commonalities (and differences) in written language!

Looking for a fun math worksheet? This multi-step printable challenges your child to match shapes to their description to crack a secret code!

Ever wonder about those mysterious crop circles that show up in fields across the world? Engage in a fun conversation about this interesting type of geoglyph.

Does your budding writer love playing around with fonts? Give her a mini typography lesson with this info sheet on common font styles!

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.

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

As your child fine tunes their understanding of coordinate planes, they will also be helping Roly find his way to the ice cream!

Have some high flying fun coloring in these grammar balloons! Your child will practice identifying nouns, verbs and adjectives.

Does your fourth grader love numbers? Help her improve her memory of consecutive numbers while having fun with this number search.

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.

Who's hiding in the subtraction problems? Use your super subtraction skills to find out which colors to add to the drawing!