Keystones — Bedrock
Five GCSE retrieval questions · 3 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 77 + 54
Answer: 77 + 54 = 131 -
2. Algebra Substitution
If x = 2, find the value of 7x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 10, 1, 8, 9
Answer: 7