Keystones — Bedrock
Five GCSE retrieval questions · 2 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 69
Answer: 69 + 69 = 138 -
2. Algebra Substitution
If x = 5, find the value of 2x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 8, 16, 19, 9, 3
Answer: 11