﻿ Real Number Properties Worksheet | Problems & Solutions

# 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

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

3.
What is the value of the expression 70 - 30 - 40 + 20?
 a. 25 b. 20 c. 15 d. 30

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)

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

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

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