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Look at this number sequence.

12, 14, 16, 18, 20, ...

The sequence starts at 12 and the rule is to add 2 to the previous term.

 

The 1st term is 12.

The 2nd term is 14.

The 3rd term is 16.

The 4th term is 18.

The 5th term is 20.

 

 

Example

A sequence starts at 15 and follows the rule to add 3 to the previous term.

What is the 5th term of this sequence?

 

Answer

The 1st term is 15.

The 2nd term is 15 + 3 = 18.

The 3rd term is 18 + 3 = 21.

The 4th term is 21 + 3 = 24.

The 5th term is 24 + 3 = 27.

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