Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 79
Answer: 38 + 79 = 117 -
2. Algebra Substitution
If x = 3, find the value of 2x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 10, 15, 14
Answer: 13