Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 48
Answer: 27 + 48 = 75 -
2. Algebra Substitution
If x = 4, find the value of 5x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 10, 19, 3, 17
Answer: 12.25