Keystones — Bedrock
Five GCSE retrieval questions · 27 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 40
Answer: 39 + 40 = 79 -
2. Algebra Substitution
If x = 10, find the value of 8x + 11
Answer: 91 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 17, 4, 3
Answer: 8