Properties of Numbers
This property is illustrated by the expression:
5 * 7 = 7 * 5
What is the Commutative Property of Multiplication?
What are the like terms in the expression:
3m - 2n + n - 4
What is -2n and n?
State whether the following statement is true, false, or an open sentence.
6y = -3 + 5y
What is open sentence?
Solve for the variable:
x + 8 = 3
What is x = -5?
Solve for the variable:
5r = -20
What is r = -4?
This property is illustrated by the expression:
c * 1 = c
What is the Identity Property of Multiplication?
Simplify:
8(15) - 8(5)
What is 80?
True or false: 30 is a solution of the following equation:
170 + x = 200
What is true?
Solve for the variable:
98 = x - 14
What is x = 112?
Solve for the variable:
x/9 = -3
What is x = -27?
This property is illustrated by the expression:
7 + a = a + 7
What is the Commutative Property of Addition?
Simplify:
3(2x + 5)
What is 6x + 15?
A veterinarian weighs 126 pounds. When she steps on a scale while holding a dog, the scale shows 181 pounds. Does the dog weigh 65 pounds?
What is no?
Solve for the variable:
c + (-4) = -5
What is c = -1?
Solve for the variable:
96 = -8d
What is d = -12?
This property is illustrated by the expression:
5(xy) = (5x)y
What is the Associative Property of Multiplication?
Simplify:
4g + 3(3 + g)
What is 7g + 9?
Simplify:
p + 6p - 4p
What is 3p?
Solve for the variable:
p - 30 = 42
What is p = 72?
Solve for the variable:
s/6 = 54
What is s = 324?
This property is illustrated by the expression:
8 + 0 = 8
What is the Identity Property of Addition?
At the Parent-Teacher Association breakfast, the PTA served 397 people 4 pancakes each. How many pancakes did the PTA serve?
What is 1,588 pancakes?
Simplify:
4g + 3(3 + g)
What is 7g + 9?
Your friend's VCR cost $328 less than her TV. Her VCR cost $179. How much did her TV cost?
What is $507?
The United States population in 1998 was twice the population in 1943. Find the 1943 population in millions.
What is 135 million?