Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 72
Answer: 97 + 72 = 169 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 19, 6, 11, 16
Answer: 13