Keystones — Bedrock
Five GCSE retrieval questions · 25 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 30
Answer: 22 + 30 = 52 -
2. Algebra Substitution
If x = 3, find the value of 7x + 6
Answer: 27 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 16, 18, 18, 8, 5
Answer: 13