Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 76
Answer: 93 + 76 = 169 -
2. Algebra Substitution
If x = 2, find the value of 3x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 20, 5, 18, 18
Answer: 15.25