Math 7 Quiz no. 1

In arranging numbers in a one more order what is one more of 3?

• 2

• 5

• 4

• 6

Identify the property
a + b = b + a

• Identity of addtion
• commutative of addition
• associative of addition
• symmetric

Identify the property
(a ⋅ b) ⋅ c = (c ⋅ b) ⋅ a

• commutative of multiplication
• identity of multiplication
• inverse of multiplication
• associative of multiplication

Identify the property
a + 0 = a

• identity of addition
• identity of multiplication
• inverse of addtion
• multiplication of zero

Pick the answer that is an example of the inverse property of multiplication

• 5 ⋅ 0 = 5
• 5 ⋅ 1/5 = 1
• 5 - 5 = 0
• 5 ⋅ 1 = 5

Pick the answer that is an example of the identity property of addtion

• a + (-a) = 0
• 1 + 1 = 2
• a + 0 = a
• a + b = b + a

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

• Associative of addtion
• Distributive
• Commutative of addition
• Inverse

If you multiply a number and its multiplicative inverse, what do you get?

• 0

• 1

• Not enough information

• None of these

What is the additive inverse of 2/3?

• -2/3

• 3/2

• 2/3

• -3/2

Any number you multiply by zero is equal to zero.

• True

• False