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Interactive
Curated OER

Harry Potter and the Chamber of Secrets Quiz

For Students 5th - 12th
In this online interactive reading comprehension activity, students respond to 25 multiple choice questions about Rowling's Harry Potter and the Chamber of Secrets. Students may submit their answers to be scored.
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Worksheet
Curated OER

Squigly's Secret Code

For Students 3rd - 5th
In this Squigly's secret code worksheet, learners decipher a secret code by placing the correct letter right above each symbol to decipher the secret code.
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Worksheet
Curated OER

Secret Code Riddles: Addition & Subtraction

For Students 4th - 6th
In this riddle worksheet, students use mathematics to break a secret code. They solve addition and subtraction problems to discover the answer to given riddles. There are 9 riddles, with an average of seven to nine problems to solve...
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Worksheet
Curated OER

Squigly's Code Breaker-- Fall Theme

For Students 2nd - 3rd
In this language arts worksheet, learners solve a secret code about the season of fall. In the code, students write the letter that comes after the alphabet letter shown. A secret message will be revealed.
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Worksheet
Curated OER

Squigly's Secret Code

For Students 1st - 2nd
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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Worksheet
Curated OER

Squigly's Secret Code

For Students 3rd - 5th
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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Worksheet
Curated OER

Short Ii Words

For Students 1st - 2nd
In this identifying words with the short Ii sounds worksheet, students use a secret code box with letters and numbers to record and illustrate the short Ii words. Students complete 8 activities.
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Worksheet
Curated OER

Spell Short Ii Words #2

For Students 1st - 2nd
In this spelling short Ii words activity, students use a secret code box containing letters and numbers to write and illustrate short Ii words. Students complete 8 answers.
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Worksheet
Houghton Mifflin Harcourt

Challenge: Code Breaker

For Students 2nd - 4th Standards
Here is a code-breaker multiplication and division game which has learners find the missing letter in equations, then solve and use those letters to "break the code," which actually is the answer to a riddle. Make math fun with a...
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Worksheet
Curated OER

Secret Pseudo-Protein Code

For Students 8th - 10th
In this protein code worksheet, students are given a table of "Secret Pseudo-Protein Codes". They use the table to decode a DNA sequence and then encode an RNA sequence. They answer questions about the Secret Pseudo-Protein code.
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Worksheet
Curated OER

May 24, 1844 - Morse Code Message

For Students 7th - 8th
In this writing prompt worksheet, learners learn that May 24, 1844 was the day the first Morse Code message was sent. Students research resources in their classroom to find five facts about Morse Code and summarize them in their own...
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Worksheet
Curated OER

Squiggly's Secret Code

For Students 4th - 5th
In this literacy worksheet, students use the key to unscramble the code for the fall theme sheet. The code is written in pictographs.
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Worksheet
Curated OER

Squigly's Secret Easter Code

For Students 6th - 8th
In this math instructional activity, students practice solving the code in order to decipher a secret message that is based upon the theme of Easter.
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Worksheet
Curated OER

Squigly's Secret Code

For Students 2nd - 3rd
In this Valentine's Day worksheet, students decipher a message by analyzing a given code. In the code, each letter of the alphabet is represented by a symbol.
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Worksheet
Curated OER

October 3, 1906 - SOS Morse Code

For Students 7th - 8th
In this writing prompt learning exercise, students learn that October 3, 1906 was designated as the international distress code. Students create their own type of code system that helps them create secret messages.
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Worksheet
Curated OER

Squigly's Special Message (Halloween Theme)

For Students 4th - 5th
In this word puzzle worksheet, students read 30 clues and place the answers in a puzzle grid. A secret message will be revealed when students have finished. There is a trick-or-treating graphic on the page.
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Worksheet
Curated OER

Code Breaker!

For Students 4th - 6th
For this music notes worksheet, students decode a message with the letter names of notes. Students analyze the 8 labeled names of notes on the treble clef. Students write the letter names of each of 60 notes underneath the notes. A...
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Worksheet
Curated OER

Add 2-Digit Numbers in Different Ways

For Students 2nd - 3rd
In this solving addition word problems worksheet, students use secret code cards and counters to problem solve. Students solve six problems.
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Worksheet
Curated OER

Code Fun

For Students 2nd - 4th
For this letter code practice worksheet, students create a code letter or symbol for each letter of the alphabet and then write a message using the code they created.
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Worksheet
Curated OER

John Glenn Secret Message

For Students 2nd - 4th
In this John Glenn worksheet, learners reveal a secret message by decoding the symbols to spell out the secret message. Students utilize the alphabet key to decode the message.
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Lesson Plan
Curated OER

A Secret Code

For Teachers 2nd - 3rd
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington.  Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
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Worksheet
Curated OER

Secret Code

For Students 2nd - 3rd
In this multiplication puzzle instructional activity, 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.
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Worksheet
Curated OER

Secret Code Math

For Students 1st - 3rd
For this math worksheet, students solve the problems in the box grids with the operation of addition. The answers are used to create a secret code message.
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Lesson Plan
Curated OER

Crack the Secret Code-- Health Activity

For Teachers 3rd - 4th
In this health worksheet, students learn about proper diet and exercise by reading the cartoons and deciphering a secret code about health.

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