Keystones — Bedrock
Five GCSE retrieval questions · 8 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 23
Answer: 48 + 23 = 71 -
2. Algebra Substitution
If x = 9, find the value of 8x + 4
Answer: 76 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 5, 8, 11
Answer: 8