Keystones — Cornerstone
Five GCSE retrieval questions · 16 November 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 89 + ? = 129
Answer: 40 -
2. Algebra
Solve: 3x = 36
Answer: x = 12 -
3. Geometry
Calculate the hypotenuse when a = 11cm and b = 6cm
Answer: 12.53cm -
4. Ratio
Find 44% of 229
Answer: 100.76 -
5. Statistics
Find the mean of: 14, 3, 15, 9, 7
Answer: 9.6