Keystones — Bedrock
Five GCSE retrieval questions · 20 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 62
Answer: 32 + 62 = 94 -
2. Algebra Substitution
If x = 8, find the value of 5x + 8
Answer: 48 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 8, 12, 7
Answer: 9