Keystones — Bedrock
Five GCSE retrieval questions · 30 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 50
Answer: 84 + 50 = 134 -
2. Algebra Substitution
If x = 5, find the value of 4x + 6
Answer: 26 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 2, 14, 12, 20, 4
Answer: 10.4