Keystones — Cornerstone
Five GCSE retrieval questions · 6 March 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 95 + ? = 186
Answer: 91 -
2. Algebra
For y = x³ + 6, calculate y when x = 3
Answer: y = 33 -
3. Geometry
Calculate the area of a circle with diameter 14cm
Answer: 153.94cm² -
4. Ratio
Calculate 10% of 124
Answer: 12.4 -
5. Statistics
Find the mean of: 13, 20, 9, 4
Answer: 11.5