Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 87
Answer: 88 + 87 = 175 -
2. Algebra Substitution
If x = 2, find the value of 6x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 19, 7, 16
Answer: 14