Keystones — Bedrock
Five GCSE retrieval questions · 30 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 36
Answer: 35 + 36 = 71 -
2. Algebra Substitution
If x = 3, find the value of 5x + 12
Answer: 27 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 7, 14, 2
Answer: 9