Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 78 + 67
Answer: 78 + 67 = 145 -
2. Algebra Substitution
If x = 4, find the value of 8x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 17, 16
Answer: 13.333333333333