Keystones — Bedrock
Five GCSE retrieval questions · 8 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 38
Answer: 32 + 38 = 70 -
2. Algebra Substitution
If x = 8, find the value of 4x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 18, 11, 6, 13
Answer: 12