Grow

Math mind hacks: start with answers, ask for problems

Pose Problems

Math Mind Hacks is a series of mini-posters about quick, smart activities that grow mathematical minds. Today’s hack is inspired by a story Gregorio Morales told in response to my interview 5-Year-Olds Can Learn Calculus: I work with children 12-16 years old. My idea is to incorporate creativity in their mathematical works. For example, one […]

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Math like music

Why Art Is Important by Kirsty Kelly

This story is a part of the ongoing conversation about children’s participation in math and the arts with Malke Rosenfeld of Math in Your Feet. Photo by Kirsty Kelly What if we could learn math like children learn music within a cultural tradition? What if we could learn math by being immersed in meaning and […]

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Who am I? A guessing game

Math Is Not Linear

“Math is not linear.” People say that, but do you believe it? Here is the history of one person’s interaction with Khan Academy. Answer this person’s riddle: WHO AM I? Judging by this historical document, how old do you think the person is? What is the grade level? Anything else you care to guess? Yes, […]

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Infinity Is Farther Than You Think

Really Big Numbers

What’s bigger, a fillion or a cometallion? These are the two big numbers my son and his friend made up one day. They couldn’t give me any more details other than “these are huge numbers” and “but smaller than a googol”. To them, all numbers went to googol, after which was the infinity. My idea […]

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