Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 45
Answer: 25 + 45 = 70 -
2. Algebra Substitution
If x = 8, find the value of 3x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 12, 9, 15, 18
Answer: 13.5