Keystones — Bedrock
Five GCSE retrieval questions · 13 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 15
Answer: 29 + 15 = 44 -
2. Algebra Substitution
If x = 8, find the value of 5x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 20, 2, 12, 14
Answer: 12