Keystones — Bedrock
Five GCSE retrieval questions · 8 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 94 + 61
Answer: 94 + 61 = 155 -
2. Algebra Substitution
If x = 8, find the value of 7x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 9, 5, 20, 2
Answer: 9