Keystones — Bedrock
Five GCSE retrieval questions · 16 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 28
Answer: 49 + 28 = 77 -
2. Algebra Substitution
If x = 3, find the value of 7x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 25, 10, 10, 3
Answer: 12