Keystones — Bedrock
Five GCSE retrieval questions · 19 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 28
Answer: 42 + 28 = 70 -
2. Algebra Substitution
If x = 8, find the value of 6x + 5
Answer: 53 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 9, 18, 11, 8, 10
Answer: 11.2