Keystones — Bedrock
Five GCSE retrieval questions · 17 September 2022 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 15 + 15
Answer: 15 + 15 = 30 -
2. Algebra Substitution
If x = 9, find the value of 5x + 8
Answer: 53 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 16, 14, 17, 7, 5
Answer: 11.8