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

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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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They can actually see the process of multiplying the ones and tens of one number by the ones and tens of the second number. When they finally move to vertical multiplication, they'll actually understand why they put zeros here.

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equivalent fractions on the multiplication matrix...Awesome! You just go across the matrix and see the equivalent fractions! Patterning in math is so cool!

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from Teachers Pay Teachers

Cut and paste combination concentration

Find the matching combination! Great for teaching how to use a multiplication chart! Third grade math

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from Teachers Pay Teachers

Matrices Foldable

Basic matrices foldable designed for an interactive notebook. This foldable introduces students to matrix vocabulary and then steps students through addition, subtraction, and scalar multiplication of matrices.

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