Keystones — Bedrock
Five GCSE retrieval questions · 3 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 11
Answer: 29 + 11 = 40 -
2. Algebra Substitution
If x = 4, find the value of 8x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 18, 17, 4
Answer: 13