Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 22
Answer: 88 + 22 = 110 -
2. Algebra Substitution
If x = 2, find the value of 3x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 7, 19, 19
Answer: 15