Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 34
Answer: 47 + 34 = 81 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 15, 20, 12, 7, 11
Answer: 13