Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 30
Answer: 43 + 30 = 73 -
2. Algebra Substitution
If x = 6, find the value of 6x + 5
Answer: 41 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 8, 12, 20, 5
Answer: 11.25