Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 38
Answer: 24 + 38 = 62 -
2. Algebra Substitution
If x = 2, find the value of 2x + 12
Answer: 16 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 7, 13
Answer: 9