Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 46
Answer: 24 + 46 = 70 -
2. Algebra Substitution
If x = 3, find the value of 8x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 6, 18, 15
Answer: 13