ROUNDING
What is 101 rounded to the nearest hundred?
100
If Mr K has 230 books and Ms Gill has 160 books, ABOUT how many books do they have?
They have ABOUT 400 books
15 + 17 = ?
32
21 - 8 = ?
13
Mr K has 24 Cheetos left in his snack. Then he eats 7 more and saves the rest for later. How many Cheetos did Mr K save for later?
Mr K has 17 Cheetos left
What is 349 rounded to the nearest hundred?
300
Mrs Knapp has 470 cougar coins. If she hands out 215 of them, ABOUT how many cougar coins does Mrs Knapp have left?
She has ABOUT 300 cougar coins left
83 + 46 = ?
129
73 - 49 = ?
24
Ms Dercks has 317 books in her classroom library. Ms Gill gives her 274 more books. How many books does Ms Dercks have in her classroom library now?
Ms Dercks has 591 books
What is 55 rounded to the nearest ten?
60
Is 12 + 17 = 31 reasonable?
Yes, because it is close to 30
327 + 81 = ?
408
262 - 47 = ?
215
There are 424 students in the gym for an assembly. Then 175 students leave for recess. How many students are still in the gym for the assembly?
There are 249 students still in the gym
What is 1,351 rounded to the nearest hundred?
1,400
If Mr Halloran has 97 red cones, 217 green cones, and 571 yellow cones, ABOUT how many cones does he have?
He has ABOUT 900 cones
291 + 593 = ?
884
700 - 361 = ?
339
Ms Q has 777 crayons in the art room. The third grade teachers give 469 more crayons to use for an art project. How many crayons does Ms Q have in the art room altogether?
Ms Q has 1,246 crayons in the art room
What is 3,615 rounded to the nearest ten?
3,620
Is 817 - 592 = 425 reasonable?
No, because it should be about 200, not 425
817 + 795 = ?
1,612
1,418 - 529 = ?
889
Mr K love smelly stickers and 514 of them in his collection. Mrs Wiedenhaupt gives Mr K 217 smelly stickers, and Ms Gill gives him 73 smelly stickers. How many smelly stickers does Mr K have in his collection now?
Mr K has 804 smelly stickers in his collection