Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 27
Answer: 28 + 27 = 55 -
2. Algebra Substitution
If x = 8, find the value of 3x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 19, 16, 13, 10, 8
Answer: 13.2