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12 12 Patterns

Patterns

1. What number should replace the question mark(?) ?

a. b. c.
8 5 12 7 6 6

28 12 ?

4 3 9 8 5 3

2. Write the missing numbers.

a. b. c.

3 7 6

21 6 63 28

7 14 2 9 36 4 10 5

3. Study the pattern in each of the following and fill in the missing numbers.

a. b.
260 210 180 160 145
50 30 20 15

12 20 28 20 10 5

4 8 12 16
1 3 5 7 9

4. What is the number needed to complete this pattern?

1 2 6

1 0 5

1 6 ?

60
60