Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 91
Answer: 69 + 91 = 160 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 13, 20, 11, 4
Answer: 12