Keystones — Bedrock
Five GCSE retrieval questions · 18 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 88
Answer: 97 + 88 = 185 -
2. Algebra Substitution
If x = 10, find the value of 3x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 15, 16, 20, 19
Answer: 17.5