Keystones — Bedrock
Five GCSE retrieval questions · 15 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 28
Answer: 28 + 28 = 56 -
2. Algebra Substitution
If x = 10, find the value of 5x + 12
Answer: 62 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 13, 8, 14
Answer: 11.666666666667