counting/skip-by-10/grade-3 · 套题 61

20 problems
1
What is the next number in the sequence? 380, __, 400, 410, 420 =
2
Count by 10s: 90, 100, 110, 120, __ =
3
Count by 3s: 240, 243, 246, 249, __ =
4
Count by 2s: 192, 194, 196, 198, __ =
5
What comes after 442? =
6
Count by 2s: 468, 470, 472, 474, __ =
7
Count by 5s: 80, 85, 90, 95, __ =
8
Count by 3s: 333, 336, 339, 342, __ =
9
What comes after 599? =
10
Count by 2s: 344, 346, 348, 350, __ =
11
What is the next number in the sequence? 190, 200, __, 220, 230 =
12
What is the next number in the sequence? 250, __, 270, 280, 290 =
13
What comes after 778? =
14
What comes after 74? =
15
Count by 10s: 300, 310, 320, 330, __ =
16
Count by 2s: 486, 488, 490, 492, __ =
17
What is the next number in the sequence? 111, __, 117, 120, 123 =
18
What comes after 180? =
19
What comes after 195? =
20
What is the next number in the sequence? 100, 102, 104, __, 108 =
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