Keystones — Bedrock
Five GCSE retrieval questions · 1 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 23
Answer: 39 + 23 = 62 -
2. Algebra Substitution
If x = 9, find the value of 6x + 9
Answer: 63 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 11, 2, 13
Answer: 8.6666666666667