Keystones — Cornerstone
Five GCSE retrieval questions · 1 March 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 25 + 38
Answer: 25 + 38 = 63 -
2. Algebra
Factorise: 24x + 28
Answer: 4(6x + 7) -
3. Geometry
Calculate the area of a circle with diameter 8cm
Answer: 50.27cm² -
4. Ratio
Find 70% of 284
Answer: 198.8 -
5. Statistics
Calculate the mean of: 30, 6, 5, 47, 40, 9
Answer: 22.8