Keystones — Bedrock
Five GCSE retrieval questions · 10 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 48
Answer: 38 + 48 = 86 -
2. Algebra Substitution
If x = 9, find the value of 8x + 10
Answer: 82 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 17, 18, 16, 18, 9
Answer: 15.6