+10
80
90
20
120
Find the next three numbers:
27, 28, 29, ____, ____, ____
30, 31, 32
105
one hundred five
58
57
175
185
299
399
Find the missing number:
15, 20, ____, 30
25
270
two hundred seventy
100
99
295
305
460
560
___, ___, ___, 201, 202, 203
198, 199, 200
or
200, 199, 198
five hundred ten
333
332
999
1,009
990
1,090
Find the missing number:
128, 134, ___, 146
140
1,025
one thousand twenty five
550
549
2,994
3,004
3,001
3,101
Find the missing numbers:
___, ___, ___, 1,000, 1,001, 1,002
997, 998, 999
or
999, 998, 997
12,600
twelve thousand six hundred
900