Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 97
Answer: 81 + 97 = 178 -
2. Algebra Substitution
If x = 2, find the value of 3x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 2, 16, 6
Answer: 8