Keystones — Bedrock
Five GCSE retrieval questions · 8 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 31
Answer: 23 + 31 = 54 -
2. Algebra Substitution
If x = 3, find the value of 3x + 12
Answer: 21 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:20
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 6, 6, 3, 12
Answer: 6.75