Keystones — Bedrock
Five GCSE retrieval questions · 4 December 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 96 + 73
Answer: 96 + 73 = 169 -
2. Algebra Substitution
If x = 10, find the value of 4x + 9
Answer: 49 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 20, 18, 12, 9, 9
Answer: 13.6