Keystones — Bedrock
Five GCSE retrieval questions · 8 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 70
Answer: 55 + 70 = 125 -
2. Algebra Substitution
If x = 8, find the value of 4x + 11
Answer: 43 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 15, 16, 3, 2
Answer: 9