Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 16
Answer: 45 + 16 = 61 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 20, 9, 13
Answer: 14