Keystones — Bedrock
Five GCSE retrieval questions · 3 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 13
Answer: 48 + 13 = 61 -
2. Algebra Substitution
If x = 10, find the value of 2x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 19, 2, 6
Answer: 9