Keystones — Bedrock
Five GCSE retrieval questions · 24 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 64
Answer: 52 + 64 = 116 -
2. Algebra Substitution
If x = 8, find the value of 6x + 4
Answer: 52 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 4, 2, 20, 11, 17
Answer: 10.8