Keystones — Bedrock
Five GCSE retrieval questions · 31 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 57
Answer: 26 + 57 = 83 -
2. Algebra Substitution
If x = 2, find the value of 5x + 8
Answer: 18 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 6, 9, 19, 3, 23
Answer: 12