Keystones — Bedrock
Five GCSE retrieval questions · 1 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 28
Answer: 45 + 28 = 73 -
2. Algebra Substitution
If x = 9, find the value of 5x + 10
Answer: 55 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 15, 2, 6, 6, 3
Answer: 6.4