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Matrix multiplication on the TI83 & 84 by mathispower4u - Teaching Resources - TES

Watercolors. Is it just me, or is there something soothing about colour theory? Or is that just the art school geek in me coming out..

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I love how this websites explains matrix multiplication with the stacking method. The visuals are very effective.

We finally began 2-digit by 2-digit multiplication this week! The kids are absolutely loving the matrix box we use to introduce 2x2 multiplication!! They love it because it's super easy. I love it because it shows them the place value involved in 2x2 multiplication. They can actually see the process of multiplying the ones and tens of one number by the ones and tens of the second number.

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Equivalent fractions using a multiplication chart. BRILLIANT!! No one ever showed me this in school!

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