Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 41
Answer: 40 + 41 = 81 -
2. Algebra Substitution
If x = 5, find the value of 3x + 11
Answer: 26 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 5, 5, 10
Answer: 6.6666666666667