What is 6 + 2?
8
What is 13 + 5
18
15, 25, ___, 45
35
22, ___, 42, 52
32
78, 79, ___, 81
80
What is 10 - 6?
4
75, ___, 85, 90
BONUS! Where is the mistake?
1, 11, 21, 22
22 should be 31. You are counting by 10's.
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