Keystones — Bedrock
Five GCSE retrieval questions · 5 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 35
Answer: 28 + 35 = 63 -
2. Algebra Substitution
If x = 4, find the value of 2x + 12
Answer: 20 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 20, 6, 3, 2, 4
Answer: 7