Keystones — Bedrock
Five GCSE retrieval questions · 23 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 37
Answer: 46 + 37 = 83 -
2. Algebra Substitution
If x = 4, find the value of 8x + 7
Answer: 39 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 9, 6, 9, 12
Answer: 9