Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 78
Answer: 84 + 78 = 162 -
2. Algebra Substitution
If x = 6, find the value of 7x + 7
Answer: 49 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 7, 6, 3, 6
Answer: 5.5