Keystones — Bedrock
Five GCSE retrieval questions · 22 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 24
Answer: 27 + 24 = 51 -
2. Algebra Substitution
If x = 4, find the value of 7x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 5, 6, 10, 9, 10
Answer: 8