Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 38 + 12
Answer: 38 + 12 = 50 -
2. Algebra Substitution
If x = 8, find the value of 4x + 8
Answer: 40 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 16, 6, 12, 6
Answer: 10