Keystones — Bedrock
Five GCSE retrieval questions · 23 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 27
Answer: 42 + 27 = 69 -
2. Algebra Substitution
If x = 5, find the value of 6x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 16, 19, 19, 18, 11
Answer: 16.6