Keystones — Bedrock
Five GCSE retrieval questions · 22 January 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 38 + 49
Answer: 38 + 49 = 87 -
2. Algebra Substitution
If x = 9, find the value of 2x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 5, 5, 18, 19, 10
Answer: 11.4