Keystones — Bedrock
Five GCSE retrieval questions · 6 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 31
Answer: 14 + 31 = 45 -
2. Algebra Substitution
If x = 4, find the value of 7x + 8
Answer: 36 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 16, 3, 14, 23, 19
Answer: 15