Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 46
Answer: 38 + 46 = 84 -
2. Algebra Substitution
If x = 8, find the value of 8x + 10
Answer: 74 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 18, 2, 19
Answer: 13