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Quiz on Real Numbers and It's Properties

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

We can classify π or PI as _____________.

a)

Rational only

b)

Irrational only

c)

Rational, Real

d)

Irrational, Real

2.

Classify the following: -78

a)

Integer

b)

integer, real

c)

integer, whole, rational

d)

integer, rational, real

3.

All whole numbers are also rational numbers

a)

True

b)

False

4.

Zero can be classified as all of the following except which?

a)

Whole

b)

Rational

c)

Integer

d)

Natural

5.
Identify the property
a + b = b + a
a)
Identity of addtion
b)
commutative of addition
c)
associative of addition
d)
symmetric
6.
Identify the property
(a ⋅ b) ⋅ c = (c ⋅ b) ⋅ a
a)
commutative of multiplication
b)
identity of multiplication
c)
inverse of multiplication
d)
associative of multiplication
7.
Pick the answer that is an example of the inverse property of multiplication
a)
5 ⋅ 0 = 5
b)
5 ⋅ 1/5 = 1
c)
5 - 5 = 0
d)
5 ⋅ 1 = 5
8.

9 x (8+ 4) = (9 x 8) + (9 x 4)

a)

Associative Property of Multiplication

b)

Distributive Property of Multiplication over Addition

9.
What is the multiplicative inverse of 2/3?
a)
-2/3
b)
3/2
c)
-3/2
d)
2/3
10.
What is the additive inverse of 2/3?
a)
-2/3
b)
3/2
c)
2/3
d)
-3/2
11.

12 + (-10 + 5) = (-10 + 5) + 12

Note: Identify what property is being used. Use CAPITALIZED LETTERS only

(a)  

12.

In 17 + (23 + 9) = (17 + (a)   ) + 9, what is the missing number?

13.

What is the missing real number in 6(5 +13) = (6 . (a)   ) + (6 . 13)?

14.

45 ( (a)   ) = 45

15.

(6 . 7) 10 = (a)   (7 . 10)