iGCSE Mathematics (0580) : C2.7 Continue a given number sequence. iGCSE Style Questions Paper 1 IGCSE Mathematics(0580) Practice Questions Paper 1 - All Chapters Question(a) 7, 13, 19, 25, … Find the next term in this sequence.(b) 30, 26, 22, 18, … Write down the term to term rule for this sequence.(c) -1, 1, 3, 5, … Find the nth term for this sequence.▶️ Answer/ExplanationSolutionAns:(a) 31 (adding 6 each time: 25 + 6 = 31)(b) Subtract 4 (each term is 4 less than the previous one)(c) 2n – 3 (starts at -1 and increases by 2 each time)QuestionThese are the first four terms in a sequence. -3 4 11 18(a) Find the next term.(b) Explain how you worked out your answer.▶️ Answer/ExplanationSolutionAns: (a) 25 (b) Added 7(a) Looking at the differences between terms: 4 – (-3) = 7, 11 – 4 = 7, 18 – 11 = 7So the next term is 18 + 7 = 25(b) The pattern is adding 7 each time. More IGCSE Mathematics Practice Questions Paper 1 ..........
