Pattern Recognition/Sequences

16
(Explanation: +1, +2, +3, +4…)

What comes next: 1, 2, 4, 7, 11, ?

42
(Explanation: Add +4, +6, +8, +10…)

What comes next: 2, 6, 12, 20, 30, ?

U
(Explanation: Skip +1, +2, +3, +4, +5 letters.)

Which fits next in the pattern: A, C, F, J, O, ?

60
(Explanation: Subtracting: -10, -9, -8, -7, -6…)

What comes next: 100, 90, 81, 73, 66, ?

21
(Explanation: Add +2, +3, +4, +5, +6 triangular numbers).

What comes next: 1, 3, 6, 10, 15, ?

14
(Explanation: All except 14 are powers of 2 2, 4, 8, 16.)

Which number doesn't belong: 2, 4, 8, 14, 16

57
(Explanation: Alternates between ×2 and -1.)

What comes next: 8, 16, 15, 30, 29, 58, ?

81
(Explanation: Multiply by 3 each time.)

What comes next: 1, 3, 9, 27, ?

L
(Explanation: -2, -3, -4, -5 letters back.)

What comes next: Z, X, U, Q, ?

160
(Explanation: Multiply by 2 each time.)

Which fits next: 5, 10, 20, 40, 80, ?

10
(Explanation: Counting by 2s.)

What comes next: 2, 4, 6, 8, ?

80
(Explanation: Multiply by 2.)

What comes next: 5, 10, 20, 40, ?

1
(Explanation: Divide by 3 each time.)

What comes next: 81, 27, 9, 3, ?

37
(Explanation: Add +3, +5, +7, +9…)

What comes next: 13, 16, 21, 28, ?

75
(Explanation: Subtracting 3, 4, 5, 6…)

What comes next: 100, 97, 93, 88, 82, ?

13
(Explanation: Fibonacci sequence sum of previous two numbers.)

What comes next: 1, 1, 2, 3, 5, 8, ?

13
(Explanation: Prime numbers.)

What comes next: 2, 3, 5, 7, 11, ?

E5
(Explanation: Letter + number both increasing by 1.)

What comes next: A1, B2, C3, D4, ?

74
(Explanation: Multiply by 2, then subtract 1, repeat.)

What comes next: 10, 20, 19, 38, 37, ?

243
(Explanation: Multiply by 3 each time.)

What comes next: 3, 9, 27, 81, ?

Arithmetic sequence

A number pattern increases by the same amount each step. What kind of pattern is it?

Ex: +3

Geometric sequence

A number pattern multiplies or divides at each step. What kind is it?

Ex: x2 or /2

Modulus pattern (or repeating cycle)

A pattern that repeats every 2 or 3 steps in a loop is called what?

Ex: A, B, A, B, A, B

Mirror pattern

A pattern that goes forward and then mirrors back is what kind of pattern?

Ex: 12321

Alternating pattern

What’s a pattern where values alternate between two or more formats?

Ex: A, B, A, B, A, B