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Girls Who Prove
Challenges
These challenges are unlike school math problems. As opposed to practice problems to lay a foundation, these problems challenge you to truly think outside the box - you may even have to turn the paper, and evaluate the question for a while before you arrive at an answer.
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Get the number 24 from 8, 8, 3, 3
using only addition, subtraction, division, and parentheses
Challenge #1
@girlswhoprove
The day before yesterday I was only 25 and next year I will turn 28.
This is true only one day in a year - when was I born?
Challenge #2
@girlswhoprove
Challenge #3
You have four identical sauce packets arranged as shown below:
How can you form a square by moving only one of the sauce packets exactly once?
@girlswhoprove
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