Keystones — Bedrock
Five GCSE retrieval questions · 15 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 19
Answer: 46 + 19 = 65 -
2. Algebra Substitution
If x = 10, find the value of 3x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 3, 9, 16, 5, 2
Answer: 7