Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 76
Answer: 89 + 76 = 165 -
2. Algebra Substitution
If x = 7, find the value of 3x + 9
Answer: 30 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:24
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 4, 5, 4, 11
Answer: 6