Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 27
Answer: 33 + 27 = 60 -
2. Algebra Substitution
If x = 5, find the value of 2x + 3
Answer: 13 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 17, 7, 10, 18
Answer: 13