Unit 5, Lesson 3, Grade 7 icon
Unit 5, Lesson 3

Changing Elevation

Open Up Resources 45 min(s)

Let's solve problems about adding signed numbers. Learning targets: students understand how to add positive and negative numbers in general. Required Preparation: For optional activity, cut one strip of receipt tape, for every 2 students. Each strip of receipt tape should be at least 4 feet long.

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