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10 questions
Are the groups equal?
Yes
No
5 + 5 + 5 =
20
10
15
18
10 - 7 =
7
3
17
8
What number is next?
23, 21, 19,
16
1 more than 45
44
46
14
47
1 less than 30
31
32
29
5
13
27
19
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