Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 35
Answer: 13 + 35 = 48 -
2. Algebra Substitution
If x = 6, find the value of 5x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 13, 2, 15, 13, 2
Answer: 9