Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 31
Answer: 13 + 31 = 44 -
2. Algebra Substitution
If x = 2, find the value of 2x + 12
Answer: 16 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 14, 20, 10, 9
Answer: 13.25