Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 34
Answer: 34 + 34 = 68 -
2. Algebra Substitution
If x = 10, find the value of 8x + 10
Answer: 90 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 5, 16, 17, 17, 19
Answer: 14.8