Keystones — Bedrock
Five GCSE retrieval questions · 9 February 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 95 + 85
Answer: 95 + 85 = 180 -
2. Algebra Substitution
If x = 3, find the value of 2x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 16, 8, 9, 11
Answer: 11