Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 18
Answer: 38 + 18 = 56 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 6, 3, 7
Answer: 5