Keystones — Bedrock
Five GCSE retrieval questions · 25 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 39
Answer: 46 + 39 = 85 -
2. Algebra Substitution
If x = 7, find the value of 4x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 9, 21, 9, 9
Answer: 12