Keystones — Bedrock
Five GCSE retrieval questions · 9 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 85
Answer: 44 + 85 = 129 -
2. Algebra Substitution
If x = 8, find the value of 2x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 12, 4, 2, 14
Answer: 8