Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 16
Answer: 11 + 16 = 27 -
2. Algebra Substitution
If x = 7, find the value of 8x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 4, 18, 20, 4, 17
Answer: 12.6