Keystones — Cornerstone
Five GCSE retrieval questions · 13 January 2025 · mathsvault.uk/keystones
-
1. Number
Calculate: 10 + 3
Answer: 13 -
2. Algebra
Collect like terms: 5x + 8y + 3x + 6y
Answer: 8x + 14y -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Calculate 50% of 105
Answer: 52.5 -
5. Statistics
Find the mean of: 6, 4, 2, 5
Answer: 4.25