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TAG: physical manipulatives
Book Reading: Math on the Move
Over the last week or so, I have been reading the book “Math on the Move” by Malke Rosenfeld (subtitled “Engaging Students in Whole Body Learning”). Ever since connecting with Malke on Twitter back in June or July, I’ve wanted to read her book, and I finally just bought it and read it. Now that […]
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Flipping absolute values
Every semester I talk to students about what the absolute value does to the graph of a function. Basically, the graph of y = |f(x)| is the same as the graph of y = f(x), but with all the bits below the x-axis flipped to be above the x-axis. I’ve always simply drawn some graphs […]