Keystones — Bedrock
Five GCSE retrieval questions · 21 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 46
Answer: 52 + 46 = 98 -
2. Algebra Substitution
If x = 2, find the value of 8x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 11, 5
Answer: 11.666666666667