Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 34
Answer: 14 + 34 = 48 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 15, 3, 15, 18, 9
Answer: 12