Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 30
Answer: 24 + 30 = 54 -
2. Algebra Substitution
If x = 5, find the value of 5x + 6
Answer: 31 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 14, 8, 11, 10, 4
Answer: 9.4