Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 31
Answer: 71 + 31 = 102 -
2. Algebra Substitution
If x = 9, find the value of 8x + 12
Answer: 84 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 7, 14, 18
Answer: 13