Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 61
Answer: 82 + 61 = 143 -
2. Algebra Substitution
If x = 6, find the value of 6x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 17, 20
Answer: 14