Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 58
Answer: 64 + 58 = 122 -
2. Algebra Substitution
If x = 10, find the value of 6x + 5
Answer: 65 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 12, 7, 8
Answer: 9