3. Which of the following shows distributive property?
a. 1(2+3) = 5 b. 1(2+3) = 1(2) + 1(3) c. 1(2) + 3 = 5 d. 2 + 1(3) = 5
4. If the values of expressions below are plotted on a number line, which expression will be closest to +5?
a. |-4| b. |-18| c. |7| d. |16|
5. What is the sum of (-45) and (-67)?
a. 112 b. -112 c. -22 d. 22
6. Which integer is equal to -57 – (-156)?
a. -213 b. 213 c. 99 d. -99
7. What property is illustrated in the equation: 5 + 3 = 3 + 5?
a. Associative Property b. Distributive Property c. Commutative Property d. Identity Property
8. What property of integers states that adding a number by zero always give the sum is a number?
a. Associative Property b. Distributive Property c. Commutative Property d. Identity Property
9. If a,b and c are real numbers, which of the following shows associative property of multiplication?
a. a + b(c) = (c)b + a b. a(b+c) = a(b) + a(c) c. a*b*c = (a*b)*c d. a*(b*c) = (a*b)*c
10. Which of the following statement is false?
a. 4(-3)(-7) = 84 b. – 11(2)(-5) = 110 c. -6(-4)(-1) = 24 d. 3(-4)(-5) = 60
11. Which of the following is false about absolute value?
a. The absolute value of a positive number is positive. b. The absolute value of a negative number is negative c. The absolute value of a negative number is positive d. The absolute value of zero is always zero.
12. Which expression is equivalent to 6(-7 – 6)?
a. 42 – 36 b. – 42 – 36 c. – 1 d. – 1 – 12
13. Which operation has a value different from others?
a. – 4 + 3 + (– 2) b. 4 + 1 + (- 8) c. 2 + ( - 5) + 0 d. – 6 + 6 + 1
