Keystones — Bedrock
Five GCSE retrieval questions · 11 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 35
Answer: 39 + 35 = 74 -
2. Algebra Substitution
If x = 6, find the value of 4x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 8, 15, 2, 2, 11
Answer: 7.6