Keystones — Bedrock
Five GCSE retrieval questions · 9 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 31
Answer: 28 + 31 = 59 -
2. Algebra Substitution
If x = 10, find the value of 2x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 17, 14, 9, 9
Answer: 12.25