Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 94
Answer: 64 + 94 = 158 -
2. Algebra Substitution
If x = 6, find the value of 3x + 10
Answer: 28 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 4, 16, 10, 10
Answer: 10