Keystones — Bedrock
Five GCSE retrieval questions · 29 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 46
Answer: 43 + 46 = 89 -
2. Algebra Substitution
If x = 10, find the value of 6x + 4
Answer: 64 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 4, 18, 13, 12, 20
Answer: 13.4