Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 19
Answer: 19 + 19 = 38 -
2. Algebra Substitution
If x = 10, find the value of 4x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 2, 13, 16, 17
Answer: 12