Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 25
Answer: 34 + 25 = 59 -
2. Algebra Substitution
If x = 3, find the value of 8x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 12, 20, 2, 17, 7
Answer: 11.6