Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 39
Answer: 10 + 39 = 49 -
2. Algebra Substitution
If x = 10, find the value of 5x + 10
Answer: 60 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 7, 4, 7
Answer: 6