Keystones — Bedrock
Five GCSE retrieval questions · 16 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 86
Answer: 82 + 86 = 168 -
2. Algebra Substitution
If x = 4, find the value of 8x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 5, 10, 20, 4, 16
Answer: 11