Keystones — Bedrock
Five GCSE retrieval questions · 19 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 94 + 84
Answer: 94 + 84 = 178 -
2. Algebra Substitution
If x = 9, find the value of 2x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 2, 8, 3, 4, 8
Answer: 5