Keystones — Bedrock
Five GCSE retrieval questions · 3 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 24
Answer: 19 + 24 = 43 -
2. Algebra Substitution
If x = 7, find the value of 3x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 15, 14, 4, 15
Answer: 12