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Lesson Plan
Curated OER

Codebreaker Math

For Teachers 2nd - 3rd
Students solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...
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Lesson Plan
Curated OER

Math Games

For Teachers 4th
Fourth graders participate in a lesson that is involved in the breaking of codes using computer games. They access the internet to play math games. The teacher uses powerpoint to help guide students with common problems in loading and...
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Worksheet
Curated OER

Codebreakers

For Students 6th - 7th
In these code breaking activity worksheets, students complete 9 pages of activities for math puzzles and code breaking activities.
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Worksheet
Curated OER

Formulae

For Students 9th - 12th
In this secondary mathematics worksheet, students participate in five activities such as code breaking, color coding, and one and even games.  The nine page worksheet contains eight activities.  Solutions are included. 
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Lesson Plan
Curated OER

Hands-On Investigation!

For Teachers 3rd - 6th
Students read, analyze, and solve a mystery using problem-solving skills. They explore the History Detective website, discuss the difference between clues and red herrings, complete a dot-to-dot sheet, take notes in a detective...