counting/skip-by-2/grade-3 · セット 23

20 problems
1
Count the triangles: How many are there? (372 triangles) =
2
Count the hearts: How many are there? (153 hearts) =
3
Count the squares: How many are there? (711 squares) =
4
What comes after 120? =
5
What comes after 205? =
6
Count the apples: How many are there? (770 apples) =
7
Count by 3s: 309, 312, 315, 318, __ =
8
What comes after 979? =
9
What comes after 345? =
10
Count by 2s: 214, 216, 218, 220, __ =
11
Count by 3s: 39, 42, 45, 48, __ =
12
What is the next number in the sequence? 290, __, 310, 320, 330 =
13
What is the next number in the sequence? 70, 75, __, 85, 90 =
14
Count by 2s: 94, 96, 98, 100, __ =
15
Count by 2s: 196, 198, 200, 202, __ =
16
What is the next number in the sequence? 180, 185, 190, __, 200 =
17
What comes after 239? =
18
What is the next number in the sequence? 50, 60, 70, __, 90 =
19
What is the next number in the sequence? 335, 340, __, 350, 355 =
20
Count by 3s: 417, 420, 423, 426, __ =
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