Addition
6,789 + 5,518
12,307
900 - 612
288
Write 4,569 in expanded form
4,000 + 500 + 60 + 9
45 x 6
270
56 + a = 145
a = 89
13,459 + 8,512
21,971
4,762 - 3,871
891
Write seventy three thousand fifty four in standard form
73,054
278 x 8
2,224
8 x 10 = 80
8 x 100 = p
8 x 1,000 = 8,000
p = 800
189,458 + 451,891
641,349
390,005 - 123,692
266,313
Write 56,912 in word form
fifty six thousand nine hundred twelve
5,689 x 9
51,201
80 x 60 = x
x = 4,800
67,451 + 98,451 + 9,412
175,314
800,612 - 345,791
454,821
Write nine thousand seven hundred twenty three in expanded form
9,000 + 700 + 20 + 3
64 x 76
4,864
50 x 20 =
(5 x 10) x (2 x 10)
(5 x 2) x (10 x T)
10 x 100
1,000
T = 10
5,891,459 + 8,931,004
14,822,463
205,890
Write 561,671 in word form
five hundred sixty one thousand six hundred seventy one
88 x 96
8,448
60 x 30 =
(6 x 10) x (3 x 10)
(6 x Q) x (10 x 10)
18 x 100
1,800
Q = 3