Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 51
Answer: 28 + 51 = 79 -
2. Algebra Substitution
If x = 6, find the value of 5x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 17, 10, 13
Answer: 14.5