Keystones — Bedrock
Five GCSE retrieval questions · 30 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 75
Answer: 61 + 75 = 136 -
2. Algebra Substitution
If x = 2, find the value of 5x + 6
Answer: 16 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 17, 4, 9
Answer: 10