Keystones — Cornerstone
Five GCSE retrieval questions · 11 April 2024 · mathsvault.uk/keystones
-
1. Number
Calculate: 51 + 99
Answer: 51 + 99 = 150 -
2. Algebra
Factorise: 8x + 14
Answer: 2(4x + 7) -
3. Geometry
Opposite = 14cm, adjacent = 17cm. Calculate the angle
Answer: 39.5° -
4. Ratio
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics
Find the mean of: 9, 10, 12
Answer: 10.333333333333