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Mathematics

8th Grade

Properties of rational numbers
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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Identify the property
a + b = b + a

Identity of addtion
commutative of addition
associative of addition
symmetric

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Identify the property

(a ⋅ b) ⋅ c = (c ⋅ b) ⋅ a

commutative property of multiplication

identity property of multiplication

inverse property of multiplication

associative property of multiplication

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Identify the property

(a ⋅ b) ⋅ c = (c ⋅ b) ⋅ a

commutative property of multiplication

identity property of multiplication

inverse property of multiplication

associative property of multiplication

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

True or false: abc = cba

True

False, if c = 0.

False, if a > b.

False, three variables can't multiply.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Identify the property

a + 0 = a

identity property of addition

identity property of multiplication

inverse property of addition

multiplication property of zero

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

(19 x 5) x 2 = 19 x (5 x 2)

Associative Property of Multiplication
Commutative Property of Multiplication
Identity Property of Multiplication
Associative Property of Addition

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

To solve this equation, which property would be useful:
x+5=17

Multiplicative Inverse
Additive Identity
Multiplicative Identity
Additive inverse

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