Keystones — Bedrock
Five GCSE retrieval questions · 16 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 90
Answer: 92 + 90 = 182 -
2. Algebra Substitution
If x = 7, find the value of 4x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 10, 2, 6
Answer: 6