Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 20
Answer: 22 + 20 = 42 -
2. Algebra Substitution
If x = 3, find the value of 7x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:6
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 4, 4, 10, 10
Answer: 7