Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 70
Answer: 25 + 70 = 95 -
2. Algebra Substitution
If x = 8, find the value of 7x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 25, 6, 8
Answer: 13