Keystones — Bedrock
Five GCSE retrieval questions · 27 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 45
Answer: 28 + 45 = 73 -
2. Algebra Substitution
If x = 2, find the value of 5x + 10
Answer: 20 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 2, 10, 4
Answer: 6.75