Keystones — Bedrock
Five GCSE retrieval questions · 18 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 47
Answer: 17 + 47 = 64 -
2. Algebra Substitution
If x = 4, find the value of 6x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 3, 17
Answer: 8