Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 22
Answer: 39 + 22 = 61 -
2. Algebra Substitution
If x = 6, find the value of 6x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 9, 10, 8, 5
Answer: 8