Printable · GCSE Foundation · ages 14-16
Generating sequences worksheet — GCSE Foundation
Fifteen questions on "generating sequences" — DfE statement A23. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.
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Generating sequences worksheet — GCSE Foundation
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- 1.Matchsticks are laid out as a row of squares, with each new square sharing a side with the square before it. The first square uses 4 matchsticks and every extra square uses 3 more. Work out how many matchsticks a row of 4 squares uses.
- 2.A geometric sequence starts at 3, and each term after that is found by multiplying the term before it by 2. Write down the first four terms.
- 3.Here are the first five terms of an arithmetic sequence: 4, 7, 10, 13, 16. Work out the 9th term.
- 4.Write down the first four terms of the sequence with nth term 6n − 5.
- 5.A sequence has the position-to-term rule 5n − 2, where n is the position number. Which of these is a term in the sequence?
- 6.Here are the first five terms of an arithmetic sequence: 2, 5, 8, 11, 14. Work out the 8th term.
- 7.A sequence has the position-to-term rule n² + 1, where n is the position number. Work out how much bigger the 5th term is than the 4th term.
- 8.A sequence has the position-to-term rule n² − 3, where n is the position number. Work out the difference between the 6th term and the 5th term.
- 9.Here are the first four terms of an arithmetic sequence: 5, 9, 13, 17. Work out the 5th term.
- 10.The nth term of a sequence is 3n + 2. Work out the 4th term of the sequence.
- 11.In a sequence, each term is half the term before it. The sequence begins 100, 50, 25. Write down the next term.
- 12.The nth term of a sequence is 4n − 3. Work out the 7th term of the sequence.
- 13.A sequence begins at 60, and each term after that is found by subtracting 7 from the term before it. Work out the 5th term of the sequence.
- 14.A sequence has the position-to-term rule: the nth term is 3n. Write down the first four terms of the sequence.
- 15.A geometric sequence starts at 4, and each term after that is found by multiplying the term before it by 3. Write down the first four terms of the sequence.
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