Keystones — Bedrock
Five GCSE retrieval questions · 23 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 32
Answer: 28 + 32 = 60 -
2. Algebra Substitution
If x = 2, find the value of 7x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 17, 6, 10
Answer: 11