Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 41
Answer: 49 + 41 = 90 -
2. Algebra Substitution
If x = 2, find the value of 4x + 9
Answer: 17 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 13, 20, 16, 14
Answer: 16.6