Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 58
Answer: 59 + 58 = 117 -
2. Algebra Substitution
If x = 9, find the value of 5x + 6
Answer: 51 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 12, 9, 12, 2, 20
Answer: 11