Keystones — Cornerstone
Five GCSE retrieval questions · 18 August 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 57 + 73
Answer: 57 + 73 = 130 -
2. Algebra
Factorise: 20x + 12
Answer: 4(5x + 3) -
3. Geometry
Calculate the area of a circle with diameter 24cm
Answer: 452.39cm² -
4. Ratio
Calculate 50% of 26
Answer: 13 -
5. Statistics
Find the mean of: 8, 3, 7, 4
Answer: 5.5