Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 47
Answer: 25 + 47 = 72 -
2. Algebra Substitution
If x = 8, find the value of 3x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 2, 9, 14
Answer: 8.3333333333333