Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 67
Answer: 28 + 67 = 95 -
2. Algebra Substitution
If x = 4, find the value of 4x + 8
Answer: 24 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 17, 2, 4
Answer: 7.6666666666667