Keystones — Bedrock
Five GCSE retrieval questions · 8 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 21
Answer: 14 + 21 = 35 -
2. Algebra Substitution
If x = 8, find the value of 7x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 15, 18, 12, 7
Answer: 13