Keystones — Bedrock
Five GCSE retrieval questions · 13 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 15
Answer: 26 + 15 = 41 -
2. Algebra Substitution
If x = 9, find the value of 8x + 3
Answer: 75 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 10, 12, 20
Answer: 14