Keystones — Bedrock
Five GCSE retrieval questions · 21 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 55
Answer: 39 + 55 = 94 -
2. Algebra Substitution
If x = 10, find the value of 6x + 10
Answer: 70 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 2, 24, 19
Answer: 15