Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 28
Answer: 46 + 28 = 74 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 4, 3, 8, 10, 20
Answer: 9