Foundation June 2025 Paper 1 Q6

EdexcelCurrent spec3 marksSequences

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

\[7 \qquad 11 \qquad 15 \qquad 19\]

(a) Write down the next term of the sequence. (1)

(b) Explain how you found your answer to part (a) (1)

Scheme	Marks
23	B1
	(1)

Mark scheme (b)

Scheme	Marks
Added 4	B1
	(1)

Notes

B1: Acceptable examples
add 4
+4
19 + 4 (= 23)
(rule is) \(4n + 3\)
goes up by 4
4 × 5 + 3 (= 23)
(\(n\)) + 4
(\(3n\)) + 4

Not acceptable examples
11 – 7 = 4
difference is 4
we subtract the first number and the next number and it gives us the answer