Practice Growing Patterns in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Quick Recap

A growing pattern is a sequence where each term increases by following a consistent rule, such as adding the same number each time (2, 5, 8, 11,...) or multiplying by a constant factor (3, 6, 12, 24,...). Recognizing the rule lets you predict any term in the sequence.

Imagine stacking blocks in a staircaseβ€”each step is one block taller than the last. The pattern grows by a rule: +1+1 block per step. If the rule is +3+3, the staircase grows faster.

Showing a random 20 of 50 problems.

Example 1

medium
A geometric pattern starts 3,6,12,24,…3, 6, 12, 24, \dots. Find the 7th term.

Example 2

medium
Find the 7th term of 2,5,8,11,…2, 5, 8, 11, \dots using the rule.

Example 3

easy
Describe the rule for 50,45,40,35,…50, 45, 40, 35, \dots.

Example 4

easy
What is the 4th term of 7,14,21,…7, 14, 21, \dots?

Example 5

medium
Find the 12th term of 5,9,13,17,…5, 9, 13, 17, \dots.

Example 6

hard
The sum of the first nn positive integers is given by Sn=n(n+1)2S_n = \tfrac{n(n+1)}{2}. Use it to compute 1+2+β‹―+1001 + 2 + \cdots + 100.

Example 7

medium
A pattern goes 8,11,14,17,…8, 11, 14, 17, \dots. Which term equals 5050?

Example 8

hard
Find the 25th term of 7,12,17,22,…7, 12, 17, 22, \dots.

Example 9

medium
Which term of 3,7,11,15,…3, 7, 11, 15, \dots equals 43?

Example 10

medium
Triangular numbers: 1,3,6,10,15,…1, 3, 6, 10, 15, \dots. Find the 8th term.

Example 11

easy
Find the next term: 1,4,9,16,…1, 4, 9, 16, \dots (square numbers).

Example 12

hard
A pattern's 5th term is 2222 and 9th term is 4242. Find the common difference.

Example 13

easy
What is the rule for 5,10,20,40,…5, 10, 20, 40, \dots?

Example 14

easy
Find the next term: 1,4,7,10,13,…1, 4, 7, 10, 13, \dots.

Example 15

medium
What kind of pattern is 1,4,9,16,25,…1, 4, 9, 16, 25, \dots?

Example 16

easy
A pattern starts: 3, 7, 11, 15, ... Find the next two terms and the rule.

Example 17

medium
What is the rule connecting term number and value for 3,7,11,15,…3, 7, 11, 15, \dots?

Example 18

medium
A figure pattern uses 4,7,10,134, 7, 10, 13 tiles. How many tiles in figure 10?

Example 19

medium
A pattern has a1=100a_1 = 100 and decreases by 77 each step. Find a15a_{15}.

Example 20

hard
Find the missing term: 2,6,12,20,Β Β β€Ύ,42,…2, 6, 12, 20, \underline{\ \ }, 42, \dots.