Keystones — Bedrock
Five GCSE retrieval questions · 11 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 93
Answer: 99 + 93 = 192 -
2. Algebra Substitution
If x = 4, find the value of 7x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 11, 17, 16, 8, 18
Answer: 14