Keystones — Bedrock
Five GCSE retrieval questions · 12 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 41
Answer: 27 + 41 = 68 -
2. Algebra Substitution
If x = 9, find the value of 4x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 12, 2, 7
Answer: 7