Keystones — Bedrock
Five GCSE retrieval questions · 6 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 21
Answer: 46 + 21 = 67 -
2. Algebra Substitution
If x = 4, find the value of 5x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 20, 8, 6, 5
Answer: 9.75