Real Number Properties Worksheet

Real Number Properties Worksheet
  • Page 1
 1.  
Which of the following illustrates the identity property of addition?
a.
25 × 0 = 0
b.
21 × 25 = 98 × 21
c.
94 + 43.1 = 43.1 + 94
d.
98 + 0 = 98


Answer: (d)


Correct answer : (4)
 2.  
Sam's age (S) is twice the sum of Paula's age (P) and Amy's age (A) decreased by 3. What is Sam's age, if Paula is 10 years old and Amy is 7 years old?
a.
31 years
b.
34 years
c.
10 years
d.
7 years


Answer: (a)


Correct answer : (1)
 3.  
What is the value of the expression 70 - 30 - 40 + 20?
a.
25
b.
20
c.
15
d.
30


Answer: (b)


Correct answer : (2)
 4.  
Complete the number sentence in such a way that the associative property of addition is satisfied.
(50 + 10) + 6 = _______
a.
50 + 6
b.
(50 + 10)
c.
(50 + 10) × 6
d.
50 + (10 + 6)


Answer: (d)


Correct answer : (4)
 5.  
Complete the number sentence in such a way that the associative property of addition is satisfied.
(25 + 15) + 6 = _______
a.
(25 + 15) × 6
b.
(25 + 15)
c.
25 + (15 + 6)
d.
25 + 6


Answer: (c)


Correct answer : (3)
 6.  
Laura has 3 apricots. She then buys 9 apricots from the market and gives 3 apricots to Annie. How many apricots is she left with?
a.
10
b.
11
c.
9
d.
8


Answer: (c)


Correct answer : (3)
 7.  
Which property satisfies the following equation?
(0.5 + 0.05) + 0.005 = 0.5 + (0.05 + 0.005)
a.
associative property of addition
b.
associative property of multiplication
c.
commutative property
d.
identity property


Answer: (a)


Correct answer : (1)
 8.  
Identify the property that holds true for the statement given.
- 0.124 + 0 = - 0.124
a.
identity property
b.
associative property
c.
commutative property
d.
inverse property


Answer: (a)


Correct answer : (1)
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