Keystones — Bedrock
Five GCSE retrieval questions · 9 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 74
Answer: 73 + 74 = 147 -
2. Algebra Substitution
If x = 2, find the value of 2x + 9
Answer: 13 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 7, 15, 5, 19, 15
Answer: 12.2