Keystones — Bedrock
Five GCSE retrieval questions · 16 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 11
Answer: 45 + 11 = 56 -
2. Algebra Substitution
If x = 10, find the value of 8x + 3
Answer: 83 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 7, 6, 15, 4
Answer: 8