Keystones — Bedrock
Five GCSE retrieval questions · 24 July 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 18 + 23
Answer: 18 + 23 = 41 -
2. Algebra Substitution
If x = 7, find the value of 6x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 4, 17, 19, 4, 9
Answer: 10.6