Keystones — Bedrock
Five GCSE retrieval questions · 16 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 42
Answer: 41 + 42 = 83 -
2. Algebra Substitution
If x = 8, find the value of 3x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 3, 5, 4, 18, 9
Answer: 7.8