Instructional Activity# Example 1 : The Opposite of a Sum is the Sum of its Opposites

Lesson 8. Unit 2. Grade 7 EngageNY

EngageNY4 min(s)

This Instructional Activity is a part of the Lesson 8, Unit 2, Grade 7. Have the following statement up on the board: "The opposite of a sum is the sum of its opposites." Tell students we are going to use some numbers from the Opening Exercise to investigate this statement. Ask two pairs of students to come to the front of the room. Have one person from each pair write their numbers on the board.