Keystones — Bedrock
Five GCSE retrieval questions · 5 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 58 + 49
Answer: 58 + 49 = 107 -
2. Algebra Substitution
If x = 10, find the value of 2x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 10, 15, 20
Answer: 15