Show:
Addition
Subtraction
Estimating Sums
Estimating Differences
Rounding
100
825,105 + 234,144
1,059,249
100
43,987 - 21,342
22,645
100
532 + 612
1,100
100
540 - 256
200
100
Round to the nearest THOUSAND. 9,426
9,000 (nine thousand)
200
32,356 + 25,982
58,338
200
82,075 - 21,354
60,721
200
875 + 199
1,000
200
7,687 - 2,399
6,000
200
Round to the nearest tens. 6,386
6,390 (six thousand, three hundred ninety)
300
689,054 + 251,097
940,151
300
234,567 - 123,883
110,684
300
3,256 + 4,892
8,000
300
29,324 - 17,324
10,000
300
Round to the nearest HUNDRED THOUSAND. 381,157
400,000 (four hundred thousand)
400
89,794 + 94,076
183,870
400
500 - 287
213
400
2,783 + 6,345
9,000
400
42,900 - 13,245
30,000
400
Round to the nearest TEN THOUSAND 548,126
550,000 (five hundred fifty thousand)
500
46,987 + 23,873
70,860
500
6,000 - 2,168
3,832
500
12,823 + 18,431
30,000
500
57,956 - 23,987
40,000
500
Round to the nearest MILLION 6,904,940
7,000,000 (seven million)