Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 88
Answer: 24 + 88 = 112 -
2. Algebra Substitution
If x = 4, find the value of 6x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 7, 14, 4, 21, 14
Answer: 12