Determining the Missing Terms in a Sequence of Numbers

Describe the relationship between the terms in the arithmetic sequence 
15, 30, 45, 60

• Adding 15 to the previous term

• Subtracting 15 to the previous term 

• Multiplying each term by 3

• Dividing the previous term by 2

Describe the relationship between the terms in the arithmetic sequence 
15, 12, 9, 6

• Adding 3 to the previous term

• Subtracting 3 to the previous term

• Dividing the previous term by 3

• Multiplying the previous term by 3

Find the missing term in the arithmetic sequence

84, _ , 110

• 95

• 97

• 90

• 100

Work out the missing terms in this arithmetic sequence:

_, 18, _, 8, 3, _, -7, -12 ...

• 23, 13 , -2 ,

• -5 , -10,-15

• 23 , 13 , 5

• 20 , 15 , 10

Find the missing terms of the arithmetic sequence:

• 160, 175, 190

• 165, 185, 195

• 155, 165, 175

• 190, 175, 160

Find the missing term in the arithmetic sequence:

..., 3, _, 17,...

• 12

• 11

• 10

• 9

Find the missing number in the pattern. 6, 14, _, 30, 38,...

• 18

• 20

• 24

• 22

Find the missing term in the geometric sequence:

2, _, 50,...

• 25

• 52

• 24

• 26