Keystones — Bedrock
Five GCSE retrieval questions · 3 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 73
Answer: 97 + 73 = 170 -
2. Algebra Substitution
If x = 5, find the value of 6x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 15, 2, 6, 13, 9
Answer: 9