Keystones — Bedrock
Five GCSE retrieval questions · 3 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 23
Answer: 48 + 23 = 71 -
2. Algebra Substitution
If x = 7, find the value of 2x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 7, 14, 9, 10, 8
Answer: 9.6