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## Mathematics

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7th

grade

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Victoria Mueller

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20 questions

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- 1. Multiple Choice30 seconds1 ptWhat is the multiplicative inverse of 2/3?-2/33/2-3/22/3
- 2. Multiple Choice30 seconds1 ptWhat is the additive inverse of 2/3?-2/33/22/3-3/2
- 3. Multiple Choice30 seconds1 ptThis is an example of which property:

(2⋅3)4=2⋅3⋅4AssociativeCommutativeInverseIdentity - 4. Multiple Choice30 seconds1 ptThis is an example of which property:

(2⋅3)4=(3⋅2)4AssociativeCommutativeInverseIdentity - 5. Multiple Choice30 seconds1 ptIdentify the property

a(b + c) = ab + acAssociative of addtionDistributiveCommutative of additionInverse - 6. Multiple Choice2 minutes1 pt
Which property does this represent:

12 + 16 + 15 = 16 + 12 + 15

Commutuative Property of Multiplication

Distributive Property

Commutative Property of Addition

Associative Property of Addition

- 7. Multiple Choice2 minutes1 pt
Which property does this represent: $3(9+4)=3\cdot9+3\cdot4$

Commutative Property of Addition

Distributive Property

Associative Property of Multiplication

Addition Property of Equality

- 8. Multiple Choice2 minutes1 pt
Which property does this represent:

(5 + 7) + 6 = 5 + (7 + 6)

Associative Property of Addition

Associative Property of Multiplication

Commutative Property of Addition

Distributive Property

- 9. Multiple Choice2 minutes1 pt
Which property does this represent:

7(x + 9)= 7x + 63

Commutative Property of Addition

Distributive Property

Associative Property of Addition

Associative Property of Multiplication

- 10. Multiple Choice2 minutes1 pt
What property allows this statement to be true?

ab = ba

Associative Property of Multiplication

Distributive Property

Commutative Property of Multiplication

Associative Property of Addition

- 11. Multiple Choice30 seconds1 ptThis property tells us that when we change the order of numbers when we are adding, the answer does not change.Commutative AdditionCommutative MultiplicationAssociative AdditionAssociative Multiplication
- 12. Multiple Choice30 seconds1 pt3(w + 4) = 3w + 12 is an example of...Inverse PropertyDistributive PropertyMultiplicative InverseAssociative Property
- 13. Multiple Choice30 seconds1 ptWhen solving this problem: 2 ⋅ (5 ⋅ 29), Abe instead started by solving 2⋅5 first, like so: (2 ⋅ 5) ⋅ 29. Which property says that you can do this?Commutative Property of AdditionAssociative Property of MultiplicationAssociative Property of AdditionCommutative Property of Multiplication
- 14. Multiple Choice3 minutes1 pt1/9
_{* }9 = 1Commutative Property of MultiplicationAssociative Property of MultiplicationMultiplicative Identity PropertyMultiplicative Inverse Property - 15. Multiple Choice3 minutes1 pt
What two operations can the commutative property be used with?

addition and subtraction

addition and multiplication

addition and division

- 16. Multiple Choice5 minutes1 pt
Simplify using the distributive property: 3(2c - 5)

6c - 15

6c + 15

6c + 15

-6c - 15

- 17. Multiple Choice5 minutes1 ptThe way in which three numbers are grouped when they are added or multiplied does not change their sum or product.Associative PropertyCommutative PropertyInverse PropertyIdentity Property
- 18. Multiple Choice30 seconds1 pt
Leighandra was multiplying 4( 2 1/2). Instead of changing the mixed number to an improper fraction. She did 4(2) + 4(1/2). What property did she use?

Associative

Commutative

Distributive

inverse

- 19. Multiple Choice30 seconds1 pt
Madeline is solving the following problem:

-2 + 4 + -5 + 6+ -7

She rewrote the problem to be (4+6)+(-2+-5+-7). What property did she use to rewrite the problem?

Associative

Commutative

Distributive

Inverse

- 20. Multiple Choice30 seconds1 pt
Giuseppe was solving the problem:

$\left(-\ 8\frac{8}{13}+12\frac{3}{4}\ \right)\ +\left(-12\ \frac{3}{4}\right)$

He changed the problem to:

$-\ 8\frac{8}{13}+\left(12\frac{3}{4}\ \ +-12\ \frac{3}{4}\right)$

What property did Giuseppe use?Associative

Commutative

Distributive

Inverse

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