Add
It
Up
It
Up
45 + 37
82
85 - 24
61
40 + 2
42
325 + 498
answers will vary
300 + 500 = 800 (rounding)
325 + 500 = 825 (compatible numbers)
300 + 400 = 700 (front end)
Katie has $255 and received $550. How much money does she have altogether?
Katie has $805.
246 + 365
611
382 - 45
337
200 + 30 + 7
237
207 + 387
answers will vary
200 + 400 = 600 (rounding)
200 + 300 = 500 (front end)
Luke has $47 and spens $13 at the shop. How much money does he have left?
He has $34 left.
789 + 99
888
554 - 298
256
800 + 9
809
578 + 245
answers will vary
600 + 200 = 800 (rounding)
500 + 200 = 700 (front end)
550 + 250 = 800 (compatible numbers)
Jesse has 145 stickers. Paul has 106 stickers. Todd has 78 stickers. How many stickers do they have in all?
They have 329 stickers in all.
2459 + 4581
7040
5406 - 2034
3372
4000 + 90 + 8
4098
476 + 321
answers will vary
500 + 300 = 800 (rounding)
400 + 300 = 700 (front end)
450 + 320 = 770 (compatible numbers)
Michael has $2316. He buys an XBox for his son that costs $345. How much money does he have left?
He has $1971 left.
9999 + 9999
19 998
7891 - 2875
5016
10 000 + 4000 + 300 + 80
14 380
761 + 899
answers will vary
800 + 900 = 1700 (rounding)
700 + 800 = 1500 (front end)
750 + 900 = 1650 (compatible numbers)
Chris has 250 candy. He gave 125 to Maggie and 65 to Nancy. How many candy does he have left?
He has 60 candy left.