6, Lesson 8, Unit 2, Grade 7, EngageNY icon
Instructional Activity

Example 2 : A Mixed Number Is a Sum

Lesson 8. Unit 2. Grade 7 EngageNY

EngageNY5 min(s)

This Instructional Activity is a part of the Lesson 8, Unit 2, Grade 7. Students use properties of operations to add and subtract rational numbers without the use of a calculator. Students recognize that any problem involving addition and subtraction of rational numbers can be written as a problem using addition and subtraction of positive numbers only. Students use the commutative and associative properties of addition to rewrite numerical expressions in different forms.

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