Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 61
Answer: 97 + 61 = 158 -
2. Algebra Substitution
If x = 7, find the value of 7x + 12
Answer: 61 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 6, 3, 20
Answer: 9.6666666666667