Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 58
Answer: 34 + 58 = 92 -
2. Algebra Substitution
If x = 9, find the value of 8x + 6
Answer: 78 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 10, 10, 20, 12
Answer: 13