Keystones — Bedrock
Five GCSE retrieval questions · 29 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 23
Answer: 40 + 23 = 63 -
2. Algebra Substitution
If x = 10, find the value of 8x + 12
Answer: 92 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 17, 3, 7
Answer: 9