Instructional Activity# Example 1: Formula for the Distance Between Two Rational Numbers

Lesson 6. Unit 2. Grade 7 EngageNY

EngageNY3 min(s)

This Instructional Activity is a part of the Lesson 6, Unit 2, Grade 7. Students know the definition of subtraction in terms of addition and use the definition of subtraction to justify the distance formula. Students solve word problems involving changes in distance or temperature. Using a number line, each person independently counts the number of units that make up the distance between the two numbers listed in his assigned column.