Keystones — Bedrock
Five GCSE retrieval questions · 18 April 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 14
Answer: 27 + 14 = 41 -
2. Algebra Substitution
If x = 10, find the value of 4x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 17, 3, 6, 19, 2
Answer: 9.4