Addition/Subtraction
149 + 235
384
42 rounded to the nearest TEN
40
8 x 7
56
What is the rule?
3, 8, 13, 18, 23...
Rule: Add 5 (+5)
3 x 5 x 2
30
352 - 138
214
275 rounded to the nearest HUNDRED.
300
40 / 8
5
What is the rule?
31, 28, 25, 22, 19...
Rule: Subtract 3 (-3)
5 x 8 = __ x 5
8
428 + 286
714
309 rounded to the nearest HUNDRED.
300
Fact Family for 8, 48, 6
6 x 8 = 48
8 x 6 = 48
48 / 8 = 6
48 / 6 = 8
What is the missing number in the pattern?
2, 7, 12, ___, 22...
17
Decompose the 9:
9 x 4
(5x4) + (__x4)
4
632 - 156
476
635 rounded to the nearest TEN.
640
4 x [] = 32
8
71, 65, 59, ___, 47...
53
60 x 3
400 - 138
262
971 rounded to the nearest HUNDRED.
1000
[] / 7 = 3
21
What is the rule and the missing number?
8, 16, 24, ____, 40...
Add 8
32
100 x 0
0