Keystones — Bedrock
Five GCSE retrieval questions · 13 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 35
Answer: 28 + 35 = 63 -
2. Algebra Substitution
If x = 7, find the value of 7x + 4
Answer: 53 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 18, 19, 10, 12
Answer: 14.75