Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 83
Answer: 32 + 83 = 115 -
2. Algebra Substitution
If x = 7, find the value of 6x + 6
Answer: 48 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 6, 12, 6, 20
Answer: 11