Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 24
Answer: 48 + 24 = 72 -
2. Algebra Substitution
If x = 5, find the value of 7x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 11, 14, 2
Answer: 9