Keystones — Bedrock
Five GCSE retrieval questions · 4 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 86
Answer: 38 + 86 = 124 -
2. Algebra Substitution
If x = 9, find the value of 7x + 6
Answer: 69 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 12, 14, 19
Answer: 15