Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 33 + 44
Answer: 33 + 44 = 77 -
2. Algebra Substitution
If x = 5, find the value of 5x + 3
Answer: 28 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 5, 13, 9, 13, 19
Answer: 11.8