Keystones — Bedrock
Five GCSE retrieval questions · 4 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 24
Answer: 49 + 24 = 73 -
2. Algebra Substitution
If x = 4, find the value of 3x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 14, 3, 14
Answer: 10.333333333333