Word Problems #1
Fern has 7 red pens and b blue pens. If she has 20 pens, how many are blue?
13
Roger bought some used CDs at a garage sale. He gave 9 CDs to his dad and kept 12 of them for himself. How many CDs did Roger buy at the garage sale?
21
18 + x = 34
x = 16
25y if y = 0
0
An unknown part of an equation, represented by a letter.
variable
Sarah had 15 quarters. She used q quarters in the vending machine. If she has 7 quarters left, how many did she use?
8
Felicia and Sam sold 103 muffins at the bake sale. Felicia sold 25 muffins. How many muffins did Sam sell at the bake sale?
78
x - 45 = 88
x = 133
145t + 3
if t = 2
293
Each group of variables and numbers, separated by addition or subtraction signs.
term
Macy had 21 dollars. She gave half of her money to charity. How much did she give to charity?
$10.50
Francine walked 44 miles last month on her days off. She walked 4 miles each time. How many days did Francine have off?
11
x/3 = 10
x = 30
12g if g = 13
156
Variables, numbers, and operations with an equal sign.
equation
A candy company divided c candies into 12 bags. If there are 5 candies in each bag, then how many candies did they begin with?
60
Alison took 51 candy bars and split them into groups to give out for Halloween. She put 3 bars in each group. How many bunches did Alison make?
17
15 * x = 75
x = 5
7(1/4 + r)
if r = 3/4
7
A combination of numbers, variables, and symbols that illustrate a mathematical relationship but has no equal sign
expression
Mrs. Beer had 9 beehives going into winter. This spring, 7 were still alive. How many died over the winter?
2
Brody wanted to round to 25 and Owen thought it should be rounded to 24. What is the difference of their answers?
1
x - 14 = 13
x = 27
82 - 3t if t = 14
22
The number in front of a variable.
coefficient