Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 94 + 49
Answer: 94 + 49 = 143 -
2. Algebra Substitution
If x = 5, find the value of 8x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:8
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 3, 10, 4, 11
Answer: 7