Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 18 + 40
Answer: 18 + 40 = 58 -
2. Algebra Substitution
If x = 6, find the value of 6x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 15, 16, 12, 7, 12
Answer: 12.4