Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 46
Answer: 83 + 46 = 129 -
2. Algebra Substitution
If x = 10, find the value of 2x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 14, 17, 8, 3
Answer: 10.5