Keystones — Bedrock
Five GCSE retrieval questions · 22 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 28
Answer: 61 + 28 = 89 -
2. Algebra Substitution
If x = 2, find the value of 7x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 8, 9, 14, 5
Answer: 9