Keystones — Bedrock
Five GCSE retrieval questions · 12 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 48
Answer: 44 + 48 = 92 -
2. Algebra Substitution
If x = 7, find the value of 2x + 8
Answer: 22 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 16, 14, 18, 12
Answer: 15