Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 32
Answer: 93 + 32 = 125 -
2. Algebra Substitution
If x = 4, find the value of 2x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 9, 18
Answer: 13