Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 94
Answer: 73 + 94 = 167 -
2. Algebra Substitution
If x = 6, find the value of 3x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 2, 10, 6
Answer: 6