Keystones — Bedrock
Five GCSE retrieval questions · 7 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 71
Answer: 84 + 71 = 155 -
2. Algebra Substitution
If x = 4, find the value of 2x + 10
Answer: 18 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 5, 20, 14, 11
Answer: 12.5