Keystones — Bedrock
Five GCSE retrieval questions · 22 August 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 40 + 49
Answer: 40 + 49 = 89 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 8, 3, 15, 20, 7
Answer: 10.6