One Step Equations Addition and Subtraction Word Problems

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

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

An equation is shown below. Which situation best represents the equation?

• Angela saves $45 each month. How many months, x, will it take her to save $180?

• Alan read 180 pages of a book. If he reads 45 more pages, how many pages, x, will he have read?

• Rebecca worked 45 minutes on Wednesday and 180 minutes on Thursday. How many minutes, x, did she work in the two nights?

• Marcus has 45 songs on his music player. How many more songs, x, must he download to have a total of 180 songs?

Tyrell has saved $62 to buy a new phone. How many more dollars must Tyrell save if the cost of the phone is $89? Let d be the number of dollars Tyrell must still save?

• 62 + d = 89

• 62d = 89

• d ÷ 89 = 62

• d - 62 = 89

Solve the equation.

x + 9 = -5

Mathematical Equivalence

OFF

Which equation models this situation?

Sarah had some video games then bought 4 more. Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Solve the word problem.
After paying $5.12 for a salad, Nora has $27.10. How much money did she have before buying the salad?
Use the equation:
n−5.12=27.10

• $32.22

• $22.02

• $21.98

Write an equation to represent the problem given:
After paying $5.12 for a salad, Nora has $27.10. How much money did she have before buying the salad?

• n + $5.12 = $27.10

• n - $5.12 = $27.10

• n - $5.12 = -$27.10

• $5.12 - n = $27.10

Solve for x
17 = x + 3

• x = 20

• x = 14

• x = 13

• x = 19