Keystones — Bedrock
Five GCSE retrieval questions · 3 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 85
Answer: 76 + 85 = 161 -
2. Algebra Substitution
If x = 10, find the value of 8x + 3
Answer: 83 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 18, 5
Answer: 9