Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 15
Answer: 14 + 15 = 29 -
2. Algebra Substitution
If x = 9, find the value of 8x + 9
Answer: 81 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 7, 4, 15, 6
Answer: 8