Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 11
Answer: 30 + 11 = 41 -
2. Algebra Substitution
If x = 9, find the value of 5x + 10
Answer: 55 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 3, 8, 3, 6, 10
Answer: 6