Keystones — Bedrock
Five GCSE retrieval questions · 28 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 46
Answer: 33 + 46 = 79 -
2. Algebra Substitution
If x = 10, find the value of 6x + 9
Answer: 69 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 7, 9, 14, 6
Answer: 9