Curated OER
Fraction Subtraction Code Breaker
In this fraction subtraction code breaker learning exercise, 5th graders solve 11 fraction subtraction problems with common denominators, then use the answers to break the code.
Curated OER
Winter Secret Message Puzzle
In this winter secret message puzzle worksheet, students solve the secret message by matching the pictures and letters in the code and writing the winter phrase.
Howard Hughes Medical Institute
Stalking the Genetic Basis of a Trait
Need an a-maize-ing lesson to show your class how regulatory genes work? If you use the well-written resource, they'll be all ears! Biology scholars discover the gene responsible for the evolution of the modern-day corn plant through a...
Code.org
Keys and Passwords
Scholars explore the relationship between cipher keys and passwords and as they learn more about the Vigenere cipher and continue to read from the book Blown to Bits in the seventh lesson of the series. They conduct an activity where...
Curated OER
Revolutionary War Spy Methods
Students research how coded messages were used during the Revolutionary War. In this Revolutionary War lesson, students view primary documents about the Revolutionary War spies and the methods used for sending messages. Students write a...
Curated OER
Meet the Recycle Guys
In this recycling activities worksheet, students draw lines to connect the names of the Recycle Guys to their pictures and use a number-letter code to find their secret message. Students write 37 answers.
Curated OER
Waterdrops
In this science worksheet, students investigate the subject of ground water. Students read a story and articles and complete 8 pages of games and activities such as making their own sinkhole, matching, fill in the blank story and a...
Curated OER
Matrices: A Secret Weapon
Students perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
Curated OER
The Secret Codes of Sentences
First graders observe a sentence as it is written on the board reading it from left to right. They look at the teacher's finger as it goes from one word to another beginning at the far left and moving to the last work in the sentence and...
MakingMusicFun.net
CodeBreaker! | Music Theory Worksheet - Treble Clef Note Names
In this music notes worksheet, learners decode a message with the letter names of notes. They analyze the eight labeled notes on the treble clef and write the letter names of the notes underneath them. A secret message will be revealed.
Curated OER
Go Down Moses
Fifth graders investigate the workings of the Underground Railroad. In this slavery lesson, 5th graders read personal accounts from slaves, examine secret codes of the Underground Railroad, and play a board game based on the trip many...
Spreading Gratitude Rocks
Generation of Respect
R.E.S.P.E.C.T. Learners find out what it means to them. Scholars write sentences, do a word sort, and list what makes them grateful. Additionally, pupils learn how to be more respectful by completing worksheets that would make...
Curated OER
Now Showing: Reel Reduction
In this fraction puzzle practice learning exercise, learners put their problem solving skills to use as they solve a secret code by adding and subtracting fractions.
Curated OER
Basic Crypto Systems
Pupils try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.
Curated OER
Secret Code
In this division worksheet, 4th graders solve the 11 division equations and then match each number in the message with the division quotients. Students determine the message.
Curated OER
Do the Tallywalker
Students study the basics of mapmaking, then make a tally walker, (geographic location device used in secret).
Reed Novel Studies
Runaway Ralph: Novel Study
Maybe the grass isn't always greener on the other side. Ralph, a mouse character in Runaway Ralph, thought that summer camp had to be better than dealing with his mother, uncle, and cousins. However, camp has its troubles, too. Worksheet...
Math Salamanders Ltd.
Unit Fractions of Numbers 4
In this unit/fractions worksheet, students find unit fractions of given numbers, then use a code grid to find a secret code word.
Curated OER
Professor Panda's Pizza Graph
In this data analysis instructional activity, students answer 11 questions using a bar graph that was constructed from the answers to a survey about pizza toppings. They use a secret code to determine the best place to have a pizza.
Curated OER
Short Vowel Oo
In this short o sound worksheet, students use the secret code box to help them spell some short Oo words. Students then draw a picture of the four words.
Curated OER
Valentine's Day Word Games
In this holiday word game worksheet, students complete 3 Valentine's Day's word games. They unscramble word, follow a secret code, and complete a picture crossword puzzle.
Curated OER
Who Am I
In this African American History worksheet, students read three facts and then complete a word scramble/secret code puzzle about Mae Jemison who was the first African-American woman to travel in space.
Curated OER
Solving Single-Step Word Problems
Math wizards learn the five-step plan to solve math word problems. They investigate the five-step process for solving word problems, and examine the use of code words for each of the operations and solve a problem using the strategies.
Curated OER
Animals Secret Decoder Worksheet
For this animals worksheet, students use the letter key to match up to other letters to solve the code. Students solve the code for 15 different animals.
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