Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2021 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 27 + 84
Answer: 27 + 84 = 111 -
2. Algebra Substitution
If x = 3, find the value of 6x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 3, 14, 6, 11
Answer: 8.8