Keystones — Bedrock
Five GCSE retrieval questions · 1 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 36
Answer: 72 + 36 = 108 -
2. Algebra Substitution
If x = 6, find the value of 6x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 8, 12, 10, 10
Answer: 10