Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 92
Answer: 87 + 92 = 179 -
2. Algebra Substitution
If x = 5, find the value of 6x + 4
Answer: 34 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 14, 20, 11
Answer: 15