Keystones — Bedrock
Five GCSE retrieval questions · 20 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 49
Answer: 38 + 49 = 87 -
2. Algebra Substitution
If x = 8, find the value of 8x + 12
Answer: 76 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 3, 18, 12, 7, 9
Answer: 9.8