Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 43
Answer: 16 + 43 = 59 -
2. Algebra Substitution
If x = 4, find the value of 8x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 6, 15, 15
Answer: 12