Determining Missing Terms in Number Sequences

Find the missing number in the sequence: 2, 4, _, 8, 10

• 12

• 5

• 3

• 6

What number is missing in the sequence: 5, 10, _, 20, 25

• 12

• 22

• 15

• 18

Fill in the blank: 3, 6, 9, _, 15

• 21

• 10

• 12

• 18

In the sequence 1, 4, 9, _, 25, what number is missing?

• 36

• 20

• 12

• 16

What is the missing number in the sequence: 20, 18, 16, _, 12

• 10

• 14

• 6

• 8

Complete the sequence: 100, 90, 80, _, 60

• 55

• 65

• 75

• 70

Find the missing term in the sequence: 7, 14, _, 28, 35

• 18

• 42

• 56

• 21

What number is missing in the sequence: 50, 45, _, 35, 30

• 40

• 42

• 38

• 25

Fill in the blank: 12, 24, 36, _, 60

• 30

• 42

• 48

• 54

In the sequence 6, 12, 18, _, 30, what number is missing?

• 25

• 20

• 24

• 36