Keystones — Bedrock
Five GCSE retrieval questions · 15 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 81
Answer: 84 + 81 = 165 -
2. Algebra Substitution
If x = 6, find the value of 6x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 4, 5, 17
Answer: 10.25