Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 67
Answer: 88 + 67 = 155 -
2. Algebra Substitution
If x = 6, find the value of 4x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 14, 20, 2, 20
Answer: 14