Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 35
Answer: 49 + 35 = 84 -
2. Algebra Substitution
If x = 3, find the value of 2x + 8
Answer: 14 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 17, 17, 5, 11
Answer: 14