Keystones — Bedrock
Five GCSE retrieval questions · 16 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 49
Answer: 56 + 49 = 105 -
2. Algebra Substitution
If x = 2, find the value of 6x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 17, 11
Answer: 15