Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 90
Answer: 84 + 90 = 174 -
2. Algebra Substitution
If x = 5, find the value of 5x + 11
Answer: 36 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 19, 7, 12, 6
Answer: 11