Keystones — Bedrock
Five GCSE retrieval questions · 14 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 17
Answer: 31 + 17 = 48 -
2. Algebra Substitution
If x = 7, find the value of 6x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 3, 3, 20
Answer: 8.6666666666667