Equations and Word Problems Review

r/4 = 13

• r = 17
• r = 52
• r = 27
• r = 9

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

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

Amy was given an amount of money, m, for a good grades on her report card. She spent $15.00 and now has $25.32. How much money did she get for good grades? Write an equation you could use to solve this problem. Use m as your variable.

• m-25.32=15
• m/25.32
• m-15=25.32
• 15m=25.32

Which choice models this situation?

Anna participated in a read-a-thon. Mr. Cole pledged $4 per book and gave Anna $44. How many books did Anna read?

• b - 4 = 44

• b + 4 = 33

• 4b = 44

• b/4 = 44

Becky is preparing for her younger sister's birthday party. She splits a jar of lollilops evenly among 6 goody bags. Each bag ends up with 4 lollipops.

Which equation can you use to find the number of lollipops n in the jar?

• n/6 = 4

• n - 4 = 6

• 4n = 6

• n + 6 = 4

6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

c - 11 = 9

• c = -2
• c = -20
• c= 2
• c = 20

What is the inverse operation of addition?

• subtraction
• multiplication
• division
• none of the above

What is the inverse operation of multiplication?

• addition
• subtraction
• division
• none of the above