Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 18
Answer: 16 + 18 = 34 -
2. Algebra Substitution
If x = 5, find the value of 8x + 12
Answer: 52 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 22, 7, 7
Answer: 12