Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 65
Answer: 92 + 65 = 157 -
2. Algebra Substitution
If x = 2, find the value of 6x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 4, 10, 16, 2
Answer: 8