Keystones — Bedrock
Five GCSE retrieval questions · 28 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 76
Answer: 30 + 76 = 106 -
2. Algebra Substitution
If x = 3, find the value of 2x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 7, 19
Answer: 12.333333333333