Keystones — Cornerstone
Five GCSE retrieval questions · 11 December 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 8.1 + 4.6
Answer: 8.1 + 4.6 = 12.7 -
2. Algebra
What is the next term? 6, 12, 24, 48, ...
Answer: 96 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify: 24:24:8
Answer: 3:3:1 -
5. Statistics
Calculate the mean of: 23, 24, 11, 41, 33, 14, 17, 46
Answer: 26.1