Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 26
Answer: 55 + 26 = 81 -
2. Algebra Substitution
If x = 4, find the value of 7x + 10
Answer: 38 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 2, 19, 15, 4
Answer: 10