Keystones — Bedrock
Five GCSE retrieval questions · 13 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 38
Answer: 33 + 38 = 71 -
2. Algebra Substitution
If x = 9, find the value of 3x + 6
Answer: 33 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:20
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 6, 20, 15
Answer: 13.666666666667