Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 47
Answer: 10 + 47 = 57 -
2. Algebra Substitution
If x = 5, find the value of 2x + 12
Answer: 22 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 1, 19, 19
Answer: 13