Equation with Word Problem Add Subtract

When you bring two or more numbers (things) together to make a new total that is called _________________.

• rounding

• adding

• estimating

• subtracting

Which one of the following words or phrases is a clue that tells you to subtract?

• increase

• sum

• combine

• decrease

In order to solve the problem 325 - 142, I will need to ___________ in the tens place.

• erase

• add

• regroup

• decrease

Last Friday Trevon had $29. Over the weekend he received some money for cleaning the attic. He now has $41. How much money did he receive?

• 29 - n = 41

• 29 - n = 40

• 29 + n = 41

• 29 + n = 40

• 8th graders last year = 1,142; 7th graders this year = 1,165; Total this year = 2,192

• 8th graders last year = 1,142; 7th graders this year = 921; Total this year = 1,948

• 8th graders last year = 1,158; 7th graders this year = 1,165; Total this year = 1,948

• 8th graders last year = 1,165; 7th graders this year = 1,142; Total this year = 1,143

Barry needs $1,449 for summer camp. Two local clubs will each match what he saves. Barry has 3 months before he leaves for summer camp. How much does Barry need to save on his own each month to have enough for summer camp?

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

• 55 + x = 145

• 145x = 55

• 55 - x = 145

• 145 (55) = x

Sally 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

If one roll of masking tape costs $1.15, how many rolls can Emma buy  with $5.75?

• 1.15(5.75) = x

• 5.75x = 1.15

• 1.15x = 5.75

• x = 1.15/ 5.75

In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Which equation would be used to find how many feet the tree grew?

• f + 8 = 14

• f - 8 = 14

• f/8 = 14

• 8f=14