Keystones — Bedrock
Five GCSE retrieval questions · 10 June 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 99
Answer: 56 + 99 = 155 -
2. Algebra Substitution
If x = 4, find the value of 5x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 9, 14, 12, 13
Answer: 12