Keystones — Bedrock
Five GCSE retrieval questions · 1 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 85
Answer: 74 + 85 = 159 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 13, 8, 7, 10, 17
Answer: 11