Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 64
Answer: 56 + 64 = 120 -
2. Algebra Substitution
If x = 8, find the value of 5x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 9, 20, 5
Answer: 13