Keystones — Bedrock
Five GCSE retrieval questions · 21 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 35
Answer: 44 + 35 = 79 -
2. Algebra Substitution
If x = 4, find the value of 6x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:18
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 12, 3, 4, 15, 16
Answer: 10