3, Lesson 10, Unit 5, Grade 7, OpenUp icon
Instructional Activity

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Lesson 10. Unit 5. Grade 7 Open Up Resources

Open Up Resources5 min(s)

This Instructional Activity is a part of the Lesson 10, Unit 5, Grade 7. This activity reminds students of the links between positive fractions and multiplication and prepares them to think about division as multiplication by the reciprocal; this will be important for dividing negative numbers. Students will use earlier work from grade 6 and their work in previous lessons in this unit to extend what they know about division of positive rationals to all rational numbers. Ask students as they are working if there is an easy way to tell if two expressions are not equivalent, making note of students who reason about how many negative numbers are multiplied, and what the outcome will be.

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