Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 13
Answer: 44 + 13 = 57 -
2. Algebra Substitution
If x = 5, find the value of 7x + 9
Answer: 44 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 8, 3, 17
Answer: 9.3333333333333