Keystones — Bedrock
Five GCSE retrieval questions · 31 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 99
Answer: 32 + 99 = 131 -
2. Algebra Substitution
If x = 5, find the value of 2x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 4, 6, 9, 10, 16
Answer: 9