Keystones — Cornerstone
Five GCSE retrieval questions · 8 March 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 59 + 48
Answer: 59 + 48 = 107 -
2. Algebra
What is the next term? 5, 10, 20, 40, ...
Answer: 80 -
3. Geometry
Opposite = 11cm, hypotenuse = 12.7cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics
Calculate the mean of: 15, 22, 50, 21, 6, 16
Answer: 21.7