Keystones — Bedrock
Five GCSE retrieval questions · 22 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 26
Answer: 52 + 26 = 78 -
2. Algebra Substitution
If x = 2, find the value of 4x + 10
Answer: 18 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 18, 8, 7
Answer: 11