Keystones — Bedrock
Five GCSE retrieval questions · 1 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 69
Answer: 78 + 69 = 147 -
2. Algebra Substitution
If x = 10, find the value of 4x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:20
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 7, 5, 7
Answer: 6.3333333333333