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Mathematics

8th Grade

Used 2+ times

properties of rational  numbers
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the multiplicative inverse of 2/3?

-2/3
3/2
-3/2
2/3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This is an example of which property:
(2⋅3)4=(3⋅2)4

Associative
Commutative
Inverse
Identity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the property
a(b + c) = ab + ac

Associative of addtion
Distributive
Commutative of addition
Inverse

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which property does this represent:  3(9+4)=3⋅9+3⋅43(9+4)=3\cdot9+3\cdot4  

Commutative Property of Addition

Distributive Property

Associative Property of Multiplication

Addition Property of Equality

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sum of 2 rational numbers is always a rational number ,this is indicator of which propery

commutative

closure

distributive

associative

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The reciprocal of a negative rational number _____

is a positive rational number

is a negative rational number

can be either a positive or a negative rational number

does not exist

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