IGCSE Mathematics - International (0607) — May–June 2025, Paper 53
4 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →In this investigation you will look at the numbers in a pyramid of numbers. The numbers are placed in order in rows. Each row has one more number than the row above. The pyramid…
Answer this question and get it marked →The numbers at the end of the rows of the number pyramid make this sequence: 1, 3, 6, 10, 15, ... Complete the statement. This is the sequence of ........................ numbers.
Answer this question and get it marked →To find a number in the pyramid add its position in the row to the last number in the row above. For example, N(6, 4) = 15 + 4 = 19, since the last number in row 5 is 15 and the…
Answer this question and get it marked →Numbers in the pyramid can be joined to make a diamond, written D(a, b, c, d) with the four numbers in order from smallest to largest. The width is c - b (the difference between…
Answer this question and get it marked →