Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 39
Answer: 13 + 39 = 52 -
2. Algebra Substitution
If x = 5, find the value of 4x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 2, 13, 13, 16
Answer: 11