Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 69
Answer: 95 + 69 = 164 -
2. Algebra Substitution
If x = 9, find the value of 8x + 7
Answer: 79 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 3, 14, 13, 18
Answer: 12