Keystones — Bedrock
Five GCSE retrieval questions · 19 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 59
Answer: 69 + 59 = 128 -
2. Algebra Substitution
If x = 6, find the value of 4x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 4, 13
Answer: 7