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  • Christine Pomatto

    Member
    June 27, 2022 at 1:43 pm

    I don’t think I’ve ever seen base ten blocks used in a multiplication model like this, even though I’m quite familiar with area models and frequently use them with my 7th graders when they get stuck on the standard algorithm (because they’ve just been asked to memorize it with little understanding). When I do my intervention lessons, I will use base-ten blocks to represent multiplication and let students move toward an area model, eventually developing their own algorithms.

    I usually introduce integer operations with two-color counting chips, but sometimes I push students away from them too quickly. I love seeing students (on their own) decide to draw a picture and then come up with their own rules (opposite signs –> subtract, etc.). I will facilitate opportunities for them to do this with most concepts.