Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 42
Answer: 29 + 42 = 71 -
2. Algebra Substitution
If x = 5, find the value of 8x + 8
Answer: 48 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 14, 4, 22, 14, 16
Answer: 14