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.
Generating sequences worksheet — GCSE Foundation
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- 1.A sequence has the position-to-term rule: the nth term is 3n. Write down the first four terms of the sequence.
- 2.A geometric sequence has first term 5, and each term after that is 3 times the term before it. Work out the first term of the sequence that is greater than 1000.
- 3.In a sequence, each term is half the term before it. The sequence begins 100, 50, 25. Write down the next 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 n² + 2, where n is the position number. Work out the 6th term.
- 6.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.
- 7.The nth term of a sequence is 4n − 3. Work out the 7th term of the sequence.
- 8.A sequence has the position-to-term rule: the term is the position number multiplied by itself. Its first five terms are 1, 4, 9, 16, 25. Work out the 8th term.
- 9.A theatre's front row has 18 seats. Each row behind has 4 more seats than the row in front. Which row has exactly 62 seats?
- 10.A sequence begins at 50, and each term after that is found by subtracting 8 from the term before it. Priya says the 8th term of the sequence is negative. Is Priya correct?
- 11.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.
- 12.A company's profit was £2000 in its first year. Each following year, the profit increases by £800. Work out the first year in which the profit is more than £7000.
- 13.The nth term of a sequence is 3n + 2. Work out the 4th term of the sequence.
- 14.The nth term of a sequence is 2n² + 1. Work out the 4th term of the sequence.
- 15.The nth term of a sequence is n² + 3. Work out the first term of the sequence that is greater than 50.
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