Number sequence (series) or patterns

Whole numbers, decimals and fractions can be written in a particular sequence.

A Sequence is a set of things (usually numbers) that are in order.

Examples of patterns

Methods applied in solving sequence questions

• Difference
• Sum (addition) 
• Square (perfect square)
• Square root 
• Cube 
• Cube root
• Alternate method 
• Prime numbers

 See examples in the pages that follow

1, 4, 7, 10, 13, 16..............

25, 23, 21, 19, 17.......