Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 28
Answer: 40 + 28 = 68 -
2. Algebra Substitution
If x = 2, find the value of 2x + 9
Answer: 13 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 2, 19, 10, 5
Answer: 9