Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 21
Answer: 62 + 21 = 83 -
2. Algebra Substitution
If x = 8, find the value of 6x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 8, 19, 10
Answer: 12.333333333333