Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 41
Answer: 32 + 41 = 73 -
2. Algebra Substitution
If x = 10, find the value of 2x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 3, 10, 20, 11
Answer: 11