Keystones — Bedrock
Five GCSE retrieval questions · 9 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 23
Answer: 32 + 23 = 55 -
2. Algebra Substitution
If x = 7, find the value of 4x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 20, 20, 3, 17
Answer: 15