Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 38
Answer: 41 + 38 = 79 -
2. Algebra Substitution
If x = 6, find the value of 7x + 9
Answer: 51 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 18, 10, 5, 23
Answer: 14