Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 24
Answer: 47 + 24 = 71 -
2. Algebra Substitution
If x = 8, find the value of 6x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 9, 5, 16, 5, 5
Answer: 8