Keystones — Bedrock
Five GCSE retrieval questions · 8 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 22
Answer: 30 + 22 = 52 -
2. Algebra Substitution
If x = 6, find the value of 2x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 2, 16, 24, 9, 14
Answer: 13