Keystones — Cornerstone
Five GCSE retrieval questions · 4 March 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 25 + 58
Answer: 25 + 58 = 83 -
2. Algebra
For y = x³, find y when x = 4
Answer: y = 64 -
3. Geometry
Calculate the hypotenuse when a = 9cm and b = 12cm
Answer: 15cm -
4. Ratio
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics
Calculate the range of: 86, 37, 103, 59, 27, 30
Answer: 76