Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 85
Answer: 95 + 85 = 180 -
2. Algebra Substitution
If x = 2, find the value of 3x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 17, 19, 2
Answer: 12.666666666667