Keystones — Bedrock
Five GCSE retrieval questions · 24 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 29
Answer: 42 + 29 = 71 -
2. Algebra Substitution
If x = 2, find the value of 2x + 8
Answer: 12 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 19, 17, 16, 9
Answer: 15.25