Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 72
Answer: 29 + 72 = 101 -
2. Algebra Substitution
If x = 2, find the value of 7x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 8, 4, 9
Answer: 7