Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 43
Answer: 84 + 43 = 127 -
2. Algebra Substitution
If x = 4, find the value of 5x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 3, 5, 17
Answer: 8.3333333333333