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Rounding
Equations
Addition
Subtraction
Story Problems
100
Round 74 to the nearest TEN.
70
100

Jackson got $43 for his birthday and spent $12 of it on a new toy. How much money does he have left? Write an equation you could use to solve this problem.

43 - 12 = m

100
27 + 79
106
100
156-32
124
100
Chelsea was reading a book that had 172 pages. Over break, she read 109 pages. How many pages does she have left to read? Write the equation and solve.
172 - 109 = x 63 pages
200
Round 218 to the nearest HUNDRED.
200
200

Melia's mom made 36 cupcakes cupcakes for her birthday party. She made 8 vanilla, 12 chocolate, and some red velvet. How many red velvet cupcakes did she make? Write an equation you could use to solve this problem.

Sample response:

8 + 12 + r = 36

r = 16

200
115 + 45
160
200

1,000 - 132

868

200
Ms. Smith's class is collecting rocks. In October, they collected 243 rocks. In November, they collected 174 rocks. How many rocks have they collected so far? Write the equation and solve.
243 + 174 = x 417 rocks
300
Round 88 to the nearest TEN.
90
300

Jaxon wrote the equation p + 8 = 19 to solve this problem: David had some pencils in his pouch, then he gave away 8 of them. He had 19 pencils left.

Is this equation correct?

If not, write the correct equation.

No

p - 8 = 19

300
272 + 365
637
300

685 - 467

218

300
Ms. Filegar has a goal of walking 9,999 steps a day. If by noon she walked a total of 6,743 steps, how many more steps does she need to take to make her goal? Write the equation and solve.
9999-6743 = x 3,256 steps
400

Round 992 to the nearest HUNDRED

1,000

400

Mrs. Parker has 15 students in her class. 4 students ordered hot lunch, 5 students ordered cold lunch, and the rest brought a lunchbox. How many students brought a lunchbox? Write an equation you could use to solve this problem.

Sample response: 

4 + 5 + L = 15

L = 6

400

253 + 569

822

400

404 - 287

117

400
The fifth grade had 253 students. Over break, 64 students moved away, but 27 students moved in. How many students are now in 5th grade? Write the equation and solve.
253 - 64 = 189 189 + 27 = 216 216 students
500

Round 414 to the nearest TEN

410

500

Kevin made 20 ham sandwiches and 10 turkey sandwiches. At his party, some of the sandwiches were eaten and he had 8 left. How many sandwiches were eaten? Write an equation you could use to solve this problem.

Sample response: 

20 + 10 - s = 8

s = 22

500

569 + 234

803

500

903 - 765

138

500
The school had a competition to see who could raise the most money. By the end of the first month, the 1st grade raised $543 and 3rd grade raised $579. Which grade won the contest, AND by how much more money?
3rd grade won by $36