Keystones — Bedrock
Five GCSE retrieval questions · 17 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 13
Answer: 27 + 13 = 40 -
2. Algebra Substitution
If x = 9, find the value of 7x + 8
Answer: 71 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 24, 9, 6
Answer: 11