Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 25
Answer: 10 + 25 = 35 -
2. Algebra Substitution
If x = 5, find the value of 5x + 12
Answer: 37 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 13, 3, 4, 7, 13
Answer: 8