Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 18
Answer: 44 + 18 = 62 -
2. Algebra Substitution
If x = 7, find the value of 8x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 15, 16, 5, 17, 2
Answer: 11