Keystones — Bedrock
Five GCSE retrieval questions · 14 June 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 13
Answer: 17 + 13 = 30 -
2. Algebra Substitution
If x = 2, find the value of 4x + 9
Answer: 17 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 16, 17, 9
Answer: 14