Count by 10s
                Finish the pattern 3, 6, 9, ___, ____
12, 15
Finish the pattern 20, 40 , 60, ___, ____
80, 100
Finish the pattern 10, 12 , 14, ___, ____
16, 18
Finish the pattern 18, 21, 24, ___, ____
27, 30
Finish the pattern 10, 30, 50, ___, ____
70, 90
Finish the pattern 1, 3, 5, ___, ____
7, 9
Finish the pattern 60, 63 , 66, ___, ____
69, 72
Finish the pattern 15, 30, 45, ___, ____
60, 75
Finish the pattern 75, 78 , 81, ___, ____
84, 87
Finish the pattern 8, 12, 16, ___, ____
20, 24
Finish the pattern 2, 5, 8, ___, ____
11, 14
Finish the pattern 14, 21, 28, ___, ____
35, 42