Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 43
Answer: 82 + 43 = 125 -
2. Algebra Substitution
If x = 9, find the value of 4x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 3, 13, 14, 19
Answer: 12.25