Keystones — Bedrock
Five GCSE retrieval questions · 15 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 32
Answer: 47 + 32 = 79 -
2. Algebra Substitution
If x = 6, find the value of 2x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 15, 3, 9
Answer: 9