Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 40
Answer: 20 + 40 = 60 -
2. Algebra Substitution
If x = 9, find the value of 5x + 8
Answer: 53 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 3, 14, 7, 9, 18
Answer: 10.2