Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 60 + 62
Answer: 60 + 62 = 122 -
2. Algebra Substitution
If x = 9, find the value of 2x + 4
Answer: 22 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 3, 15, 20, 2, 13
Answer: 10.6