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4th Grade Math: Unit 3.3

Author: CHRIS BRENNAN

Unit 3.3: Video 1

Unit 3.3: Video 2

NOTE: at 2:07 in the video, I say that 4x3=13, while of course we all know that 4x3=12. Did you catch that error?

Unit 3.3: Video 3

Unit 3.3: Video 4

Unit 3.3: Video 5