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My Daughters' Ages

Discover how old Catherine’s daughters are.

Catherine decided to give her mathematician friend Vincent a puzzle to solve. The goal is simple: find the ages of Catherine’s three daughters. But Catherine didn’t give Vincent much information, which makes it difficult to find the solution!


Products, sums and a dash of logic: all essential ingredients to solving this puzzle. Tackle this challenge on your own or with friends!

Explanations and Resources

This activity comes with an explanatory sheet that presents the answer and the mathematical concepts used.


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