Video

Clip 2: Problem 1 - Part A (2:45-8:21)

Number Operations: Multiplication
Inside Mathematics
Supporting grades: 4

Description: In this clip, the teacher goes over some examples with her students which demonstrate -- using the conceptual idea of equal groups -- the equivalence of certain multiplication and addition statements (e.g., 2*9 = 9+9; 3*3 = 3+3+3).

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Clip 1: Introduction - Part A (0:00-2:44)

Number Operations: Multiplication

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Clip 3: Problem 1 - Part B (8:22-10:42)

Number Operations: Multiplication