Keystones — Bedrock
Five GCSE retrieval questions · 6 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 49
Answer: 38 + 49 = 87 -
2. Algebra Substitution
If x = 4, find the value of 5x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 11, 2, 16, 21
Answer: 14