Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 12
Answer: 16 + 12 = 28 -
2. Algebra Substitution
If x = 4, find the value of 6x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 2, 14, 2
Answer: 6