Curated OER
Spelling: Code Words
In this spelling code worksheet, students use a key with shapes and alphabet letters to decipher the missing words in 11 sentences. There is a word bank to help. All are short A vowel words.
Code.org
Encoding and Sending Formatted Text
Introduce your class to encoding text. Pairs work together to create a protocol to send text prior to learning ASCII encoding. Groups then collaborate to send and translate ASCII codes creating a formatted text message.
Curated OER
Coded Message Game
For this coded message worksheet, students use the two-digit numbers and letters of the alphabet code to decipher a quote about the brain from Santiago Ramon y Cajal. Students decode eighteen words.
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Noughts and Crosses Code
In this secret code worksheet, students analyze and interpret a noughts and crosses code in order to decipher the code and figure out what the message is.
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Secret Code
In this multiplication worksheet, students complete multiplication problems containing numbers 1 through 12 and create a secret code at the end. Students complete 21 problems.
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Secret Code
In this division activity, students divide one and two digit numbers and come up with a secret code at the end. Students complete 11 division problems.
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Squigly's Secret Code
In this secret code learning exercise, students will print the letter that corresponds with the symbol to decipher a secret message from Squigly.
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Calculator Code Words
For this calculator code words worksheet, students will read a mega list of code words. Using the code words, students will write their own clues and create their own exercises.
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Squigly's Secret Code
In this deciphering symbols worksheet, learners decipher a secret code by using a set of symbols printed under the twenty six letters of the alphabet.
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Addition Code
In this addition code activity, students complete the addition problems and use the code to find the hidden message. Students complete 20 problems.
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Squigly's Secret Code: Car
For this puzzle worksheet, students decipher a "secret" code. Students determine the message by filling in the letter that goes with each symbol.
Google
Surveys and Estimating Large Quantities
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
Curated OER
Squigly's Secret Code
In this literacy worksheet, students work to unscramble the secret code. The code is written in symbols that are similar to pictographs.
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Fill Words Exercise 1
In this fill words exercise 1 instructional activity, students read the letter-number codes and fill in the correct letters to spell a phrase with immediate feedback online.
Curated OER
Squigly's Secret Code
In this Squigly's secret code worksheet, students decipher a secret code by placing the correct letter right above each symbol to decipher the secret code.
Code.org
HTTP and Abstraction on the Internet
Introduce your class to the layers of abstraction of the Internet with a lesson on the HTTP protocol. Pupils review previous lessons on levels of the Internet, then investigate new high levels by examining the HTTP traffic on...
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Squigly's Secret Code
For this word puzzle worksheet, students decipher the answer to a "secret code." Students analyze a code in which each letter of the alphabet is represented by a symbol.
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Secret Code
For this multiplication puzzle worksheet, students find the products to 18 elementary multiplication problems. They solve the code using the letters assigned to each product. They read the secret message.
Curated OER
Help the Witch Crack the Code- Number/Letter Matching Cryptogram
In this Halloween themed cryptogram, 3rd graders help the witch, who is pictured on the page, use the code to determine which ingredient she needs to add to her cauldron. They match the proper letter to the numbers given in the puzzle.
Curated OER
Color Code Coloring Sheet
In this coloring worksheet, students use the color code chart to color the picture of a boy according to the provided instructions.
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Mickey Mouse Color Code Worksheet
In this Mickey Mouse coloring worksheet, learners color the picture of Mickey Mouse skating by following the color code chart.
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Kitten Color Code Worksheet
In this kitten coloring worksheet, students color the picture of a kitten playing in the snow by following the color code chart.
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Farm Color Code Worksheet
In this farm-themed coloring worksheet, students color the picture of a farm scene by following the color code chart at the top of the worksheet.
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Fill Words Exercise 4
In this fill words exercise 4 worksheet, 2nd graders use the letter-number code to decode the phrase and enter the letters in the squares, interactively, with immediate feedback.