Keystones — Bedrock
Five GCSE retrieval questions · 9 December 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 17
Answer: 19 + 17 = 36 -
2. Algebra Substitution
If x = 2, find the value of 6x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 4, 17, 6, 18
Answer: 11.25