Curated OER
John Glenn Secret Message
In this John Glenn activity, students reveal a secret message by decoding the symbols to spell out the secret message. Students utilize the alphabet key to decode the message.
Curated OER
Christmas Secret Message Puzzle
In this decoding the message worksheet, students fill in the blanks using the letters that match each Christmas picture on the page. Students write 19 letters.
Curated OER
Winter Secret Message Puzzle
In this winter secret message puzzle activity, learners solve the secret message by matching the pictures and letters in the code and writing the winter phrase.
Curated OER
Thanksgiving Secret Message Puzzle
In this Thanksgiving secret message worksheet, students use a picture/symbol key given at the bottom of the page to decode a Thanksgiving message. A reference web site is given for additional activities.
Shodor Education Foundation
Caesar Cipher
Caesar ciphers hide secret missives. A simple interactive lets users encode and decode hidden messages. The cipher method here is the Caesar shift.
Curated OER
Fall Secret Message Decoder Puzzle
In this vowel and consonant puzzle worksheet, students decode the secret fall phrase by filling in the blanks with the letter that matches each picture from the box at the bottom of the page.
Curated OER
Fall Secret Message Decoder Puzzle
In this decoding worksheet, students decode a puzzle which makes fall pictures equal a letter. Students decode 13 letters to solve the puzzle.
Curated OER
Spring Picture Cryptogram Puzzle
In this early childhood cryptogram learning exercise, students decode and solve a spring secret message by filling in the blanks with the letter that matches each picture from the box at the bottom of the page.
Curated OER
Code Fun
In this code fun activity worksheet, students decode a secret message using the symbol code key provided at the bottom of the worksheet.
Curated OER
Halloween Decoding Puzzle
In this Halloween activity, students use the pictures to decode the words about Halloween. Students decode 3 words about Halloween.
Curated OER
You Know the Answer
In this problem solving worksheet, 4th graders are given an answer to a question and must solve the mathematical problems to discover the secret question. Students solve for 18 problems using addition, subtraction, multiplication and...