Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 10 + 17
Answer: 10 + 17 = 27 -
2. Algebra Substitution
If x = 7, find the value of 7x + 3
Answer: 52 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 20, 6, 20
Answer: 14.5