Keystones — Bedrock
Five GCSE retrieval questions · 30 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 38
Answer: 21 + 38 = 59 -
2. Algebra Substitution
If x = 9, find the value of 8x + 12
Answer: 84 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 5, 7, 9, 11
Answer: 8