Keystones — Cornerstone
Five GCSE retrieval questions · 31 March 2025 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 92 + ? = 100
Answer: 8 -
2. Algebra
Factorise: 3x² + 8x
Answer: x(3x + 8) -
3. Geometry
Opposite = 13cm, adjacent = 14cm. Calculate the angle
Answer: 42.9° -
4. Ratio
Calculate 10% of 84
Answer: 8.4 -
5. Statistics
Find the range of: 35, 20, 24, 37, 29
Answer: 17