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Lesson

4th Grade Math - Number Operations: Multiplication & Division

Clip 3/16: Problem 1 - Part A

Overview

One goal here is to access prior knowledge and formatively assess student understanding and confidence levels about multiplication. Additionally, we have planned to organically introduce the bar model and to highlight the importance of "equal groups" in multiplication.

Teacher Commentary

I love the chatter in the background. It reminds me what an engaging math classroom sounds like kids sharing ideas. The connection between multiplication and addition is brought to the forefront for exploration and justification. The culture of investigation seems alive with students safely questioning each other's thinking: Given the statement that 6+3=9 is connected to 3x3=9, a student questions where the "6" came from. I see now that this was an opportunity to capitalize on the student language of "groups" and further the idea that they must be equal groups.