Keystones — Bedrock
Five GCSE retrieval questions · 2 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 54
Answer: 99 + 54 = 153 -
2. Algebra Substitution
If x = 2, find the value of 2x + 5
Answer: 9 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 17, 9, 10, 1, 3
Answer: 8