Keystones — Bedrock
Five GCSE retrieval questions · 29 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 10
Answer: 35 + 10 = 45 -
2. Algebra Substitution
If x = 7, find the value of 8x + 11
Answer: 67 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 16, 4, 18, 10
Answer: 12