Keystones — Bedrock
Five GCSE retrieval questions · 14 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 78
Answer: 70 + 78 = 148 -
2. Algebra Substitution
If x = 9, find the value of 6x + 4
Answer: 58 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 8, 16, 12
Answer: 12