Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 30
Answer: 30 + 30 = 60 -
2. Algebra Substitution
If x = 6, find the value of 2x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 4, 19, 19
Answer: 14