Using Properties of Operations Answers

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(3)[5(7)] = (3)[7(5)]associative property✔ commutative propertydistributive propertyidentity property

5 + 0 = 5associative propertycommutative propertydistributive property✔ identity property

3 + (5 + 7) = (3 + 5) + 7✔ associative propertycommutative propertydistributive propertyidentity property

Complete this expression using the distributive property: 5(4 + 8) =

Which property is demonstrated? 3[5(4)] + 3 = [3(5)]4 + 3

Which equivalent expression demonstrates the commutative property? Check all the apply.

Several properties are used to evaluate this expression. Identify the property used in each step.21 + (36 + 0 + 19)21 + (36 + 19):associative propertycommutative propertydistributive property✔ identity property

Which of these expressions demonstrates the identity property? Check all that apply.

What was Michael’s mistake?

How can you use the properties of operations to evaluate this expression?18 + 4(28)

Analyze the work to find the error.

Jenna’s method: Mia’s method:5(30 + 4)5(30 + 4)(5)(30) + (5)(4)5(34) = 170150 + 20 = 170 Explain why both Jenna and Mia arrived at the same answer and the advantage of one method over the other.

21 + (19 + 36):associative property✔ commutative propertydistributive propertyidentity property

(21 + 19) + 36:✔ associative propertycommutative propertydistributive propertyidentity property40 + 3676