Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 43
Answer: 42 + 43 = 85 -
2. Algebra Substitution
If x = 2, find the value of 5x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 9, 12, 6
Answer: 9