Course 1, Lesson 4, Unknown Numbers in Multiplication and Division

Course 1, Lesson 4, Unknown Numbers in Multiplication and Division

Author: Hector Soto

1. Make sense of problems and persevere in solving them. 2. Reason abstractly and quantitatively. 3.Construct viable arguments and critique the reasoning of others. 4. Write expressions that record operations with numbers and with letters standing for numbers. For example, express the calculation Subtract y from 5 as 5 - y.

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Please watch the video, take notes, and complete the quiz.

Source: Hector Soto

Unknown Numbers in Multiplication and Division

Source: Hector Soto