Keystones — Bedrock
Five GCSE retrieval questions · 4 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 23
Answer: 25 + 23 = 48 -
2. Algebra Substitution
If x = 10, find the value of 8x + 7
Answer: 87 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 10, 4, 9, 8, 9
Answer: 8