Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 38
Answer: 12 + 38 = 50 -
2. Algebra Substitution
If x = 9, find the value of 3x + 10
Answer: 37 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 14, 10, 9, 11, 7
Answer: 10.2