Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 25
Answer: 47 + 25 = 72 -
2. Algebra Substitution
If x = 10, find the value of 2x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 12, 20, 13, 3
Answer: 10