Keystones — Bedrock
Five GCSE retrieval questions · 14 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 69
Answer: 22 + 69 = 91 -
2. Algebra Substitution
If x = 4, find the value of 3x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 3, 7, 3, 3
Answer: 4