Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 1.3 + 4.1
Answer: 1.3 + 4.1 = 5.4 -
2. Algebra
Find the next term: 29, 31, 33, 35, ...
Answer: 37 -
3. Geometry
Opposite = 14cm, hypotenuse = 28cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics
Find the mean of: 2, 20, 12, 6
Answer: 10