Number sequences

256, 128, 64, 32, ...

What's next?

• 24

• 18

• 16

• 8

What is the 10th term of this Triangular Sequence: 1, 3, 6, 10, 15,...

• 55

• 45

• 66

• 78

What is the 20th term of the Sequence: 1, 4, 9, 16,...

• 200

• 400

• 40

• 450

What is the 20^th term of the arithmetic sequence shown below.

7, 4, 1,...

• -49

• 50

• -50

• -51

An arithmetic sequence is described by the function f(n)=−3n+7. What are the first 5 terms of the sequence?

• 7, 10, 13, 16, 19

• 4, 1, -2, -5, -8

• -4, -1, 2, 5, 8

• -7, -10, -13, -16, -19

Given the sequence 2, 8, 14, 20, 26, ... What is the common difference?

• 2

• 4

• 6

• 8

Describe the pattern in the sequence. Find the next three terms.

13, 15, 17, 19,...

• Add 2; 23, 25, 27

• Multiply by 2; 38, 76, 152

• Add -2; 17, 15, 13

• Add 2; 21, 23, 25

What are the next four terms of the arithmetic sequence 122, 111, 100, ...?

• 89, 78, 67, 56

• 95, 90, 85, 80

• 92, 88, 84, 80

• 99, 88, 77, 66

Find the missing term.

39, 52, 65, x, ...

• 79

• 77

• 78

• 81

Determine the next term of the following sequence ...

• 5

• 36

• 25

• 41