Tag Archives: 8 years old

Double perfect squares

We have recently done a unit on perfect squares in school. The following conversation with Katie (8yo) happened completely spontaneously on a peaceful, evening ride home. K: 10,000 is a double perfect square. Me: What do you mean? K: Well, … Continue reading

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Dots in a Square from Math Without Words

Recently, my third grade class and I have fallen in love with Math Without Words by James Tanton. This is a delightful collection of math puzzles, ranging in difficulty from fairly easy to quite hard, but all mathematically beautiful. Occasionally, … Continue reading

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Avoid Hard Work! – A book for problem-solvers of all levels (toddler to mathematician)

It is the beginning of winter break and the family is off to a vacation.  The car ride ahead is many hours.  Ten minutes into the drive, Katie (8 years old) realizes that she forgot her book.  In desperation, she … Continue reading

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