Keystones — Bedrock
Five GCSE retrieval questions · 26 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 29
Answer: 30 + 29 = 59 -
2. Algebra Substitution
If x = 7, find the value of 2x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 8, 24, 13
Answer: 15