Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 40
Answer: 48 + 40 = 88 -
2. Algebra Substitution
If x = 8, find the value of 5x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 2, 5, 14, 11
Answer: 8