Keystones — Bedrock
Five GCSE retrieval questions · 10 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 19
Answer: 23 + 19 = 42 -
2. Algebra Substitution
If x = 5, find the value of 7x + 5
Answer: 40 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 24, 8, 10
Answer: 14