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Code-breaking puzzle activity for students to solve by converting letters to numbers.

A math puzzle worksheet from MathSphere titled "Puzzle time: Code breaker," featuring a code-breaking activity where letters are replaced by numbers, with a cartoon mouse character and a code to decode.

A math puzzle worksheet from MathSphere titled "Puzzle time: Code breaker," featuring a code-breaking activity where letters are replaced by numbers, with a cartoon mouse character and a code to decode.

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