Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 72
Answer: 30 + 72 = 102 -
2. Algebra Substitution
If x = 7, find the value of 5x + 11
Answer: 46 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 8, 14, 14, 16, 7
Answer: 11.8