Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 35
Answer: 13 + 35 = 48 -
2. Algebra Substitution
If x = 3, find the value of 5x + 4
Answer: 19 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 20, 8, 8, 9
Answer: 11.25