Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 64
Answer: 41 + 64 = 105 -
2. Algebra Substitution
If x = 7, find the value of 7x + 10
Answer: 59 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 5, 17, 16, 5, 12
Answer: 11