Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 74
Answer: 27 + 74 = 101 -
2. Algebra Substitution
If x = 10, find the value of 8x + 10
Answer: 90 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 17, 2, 8
Answer: 9