Keystones — Bedrock
Five GCSE retrieval questions · 1 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 40
Answer: 18 + 40 = 58 -
2. Algebra Substitution
If x = 8, find the value of 7x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 9, 20, 10, 16
Answer: 13.4