Addition and Subtraction Word Problems and Equations

x - 4 = 17

• x = 21

• x = 13

• x = 19

• x = 24

x + 24 = 44

• x = -20

• x = 68

• x = 20

• x = -68

To solve the equation
x + 5 = 8
 I would ....

• subtract 5 from x

• subtract 5 from both sides

• subtract 5 from one side and add 5 to the other

• add 5 to both sides

What is the inverse operation of addition?

• subtraction

• multiplication

• division

• none of the above

Javier has saved $55 toward the purchase of an IPOD. The IPOD costs $145. Which equation represents the amount Javier needs to save to by the IPOD?

• 55 + x = 145

• 145x = 55

• 55 - x = 145

• 145 (55) = x

Select the equation that best represents the situation:

Josiah scored 37 points. This was 5 points more than Alex scored.

• 37 + 5 = k

• k - 5 = 37

• k + 5 = 37

• 5k = 37

Select the equation that best represents the situation: In his career, Mr. Farley scored 11 touchdowns less than Mr. Boyd scored. If Mr. Farley scored 23 touchdowns, how many touchdowns did Mr. Boyd score?

• 11s = 23

Breanna went to the mall and spent $35.00 on shoes. When she she got home she had $40.00 in her purse. which equation can be used to find the amount of money she started with?

• x - 35.00 = 40.00

• 40.00 - 35.00 = x

• 35.00x = 40.00

• 35.00 + x = 40.00

c - 11 = 9

• c = -2

• c = -20

• c= 2

• c = 20

Darshany bought three candy bars for a total of $18.00. How much did each candy bar cost? Write an equation to solve this problem. Use c as your variable.

• 18c=6

• c + 6= 18

• c +18 = 6

• 3c=18