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Sequence 1

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Sequence (Notes):

Exercise:

1. Here are the first four terms of a number sequence.

8, 14, 20, 26, …

(a) Write down the next term of the number sequence.


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(b) Explain how you found your answer.

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2. Here are the first four terms of a number sequence.

2, 5, 8, 11, …

(a) (i) Write down the next term of the number sequence.

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(ii) Explain how you found your answer.

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The 40th term of the number sequence is 119.

(b) Work out the 41st term of the number sequence.

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3. Here are the first four terms of a number sequence.

7 10 13 16
Work out the difference between the 10th term and 15th term in the sequence.

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4. Here are the first four terms of a number sequence.

11 15 19 23

(a) (i) Write down the next term of the number sequence.

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(ii) Write the formula for the nth term of the sequence.

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The 100th term of the number sequence is 407.

(b) Work out the 99th term of the number sequence.

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5. Here are the first five terms of a number sequence.
3, 7, 11, 15, 19, …
(a) Write down an expression, in terms of n, for the nth term of this sequence.

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John says that 319 is a term in the number sequence. (b) Is John correct?
You must justify your answer.

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