Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 37
Answer: 14 + 37 = 51 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 8, 18, 6, 4
Answer: 9