I think having to solve a puzzle or do a simple sudoku or some kind of crossword or any type of game would be a great mission. People who are more visually/ pattern stimulated can get more on board with this than a math problem!
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Awake
About 1 month ago

Gabriela D
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Duplicate

Awake
About 1 month ago

Gabriela D
Get notified by email when there are changes.