Estimate using Front-end estimation, then find the difference or the sum
87 + 64
80 + 60 = 140
47 + 62
50 + 60 = 110
30 + 36
66
54 - 45
9
Bob had 45 Christmas ornaments in total, but only had room for 25 on his tree.
How many ornaments did Bob have left over after decorating his tree?
Bob had 20 ornaments left.
159 − 47
100 − 40 = 60
128 − 73
130 − 70 = 60
891 + 531
1422
947 - 528
419
The school gym has 211 soccer balls, and the teacher bought 65 more this month.
How many soccer balls does the gym have in total?
There is a total of 276 soccer balls.
482 + 369
400 + 300 = 700
256 + 389
260 + 390 = 650
2346 + 1234
3580
5632 - 2147
3485
Daryl went to the mall to buy a new TV and brought $2590 with him.
Daryl spent $1686 on his new TV. How much money does he have left over?
Daryl has $904 left over after buying the TV
4732 + 2689
4000 + 2000 = 6000
4131 − 2278
4130 - 2280 = 1850
6985 + 6544
13 529
9450 - 3286
6164
A holiday toy drive collected 3506 toys from families and 2275 toys from local businesses.
How many toys were collected in total?
A total of 5781 toys were collected.
7903 − 5488
7000 - 5000 = 2000
6187 + 2144
6190 + 2140 = 8330
513 456 + 417 891
931 347
73 209 - 68 754
4455
Santa delivered 345 728 presents to northern Alberta and 289 467 presents to southern Alberta.
How many presents did Santa deliver to Alberta in total?
Santa delivered 635 195 presents in total.