Rounding
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 =
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 = 63 pages
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.
15 = 4 + 5 + ?
4 + 5 + ? = 15
15 - 4 - 5 = ?
1,000 - 132
868
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 = 417 rocks
Round 85 to the nearest TEN.
90
? + 10 = 2 + 12
? = 4
4 + 10 = 2 + 12
14 = 14
685 - 467
218
Ms. Filegar has a goal of walking 999 steps a day. If by noon she walked a total of 743 steps, how many more steps does she need to take to make her goal? Write the equation and solve.
999-743 = 256 steps
Round 992 to the nearest HUNDRED
1,000
33 + 3 - ? = 15 - 4
33 + 3 - ? = 15 - 4
36 - ? = 11
36 - 15 = 11
? = 15
253 + 569
822
404 - 287
117
Round 406 to the nearest TEN
410
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.
20 + 10 - ? = 8
s = 22
569 + 234
803
903 - 765
138