Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 30
Answer: 28 + 30 = 58 -
2. Algebra Substitution
If x = 7, find the value of 2x + 11
Answer: 25 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 20, 14, 5
Answer: 13