Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2026
-
1. Number
Calculate: 23 + 49
Answer: 23 + 49 = 72 -
2. Algebra
Simplify: 6x + 6x
Answer: 12x -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Calculate 25% of 66
Answer: 16.5 -
5. Statistics
Find the mean of: 20, 9, 4
Answer: 11