Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 50
Answer: 53 + 50 = 103 -
2. Algebra Substitution
If x = 5, find the value of 4x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 14, 6, 17, 9, 3
Answer: 9.8