Keystones — Bedrock
Five GCSE retrieval questions · 3 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 56
Answer: 54 + 56 = 110 -
2. Algebra Substitution
If x = 8, find the value of 4x + 5
Answer: 37 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 6, 2, 8, 10, 24
Answer: 10