Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 30
Answer: 18 + 30 = 48 -
2. Algebra Substitution
If x = 5, find the value of 2x + 9
Answer: 19 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 12, 19, 19, 10, 3
Answer: 12.6