Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 69
Answer: 63 + 69 = 132 -
2. Algebra Substitution
If x = 2, find the value of 7x + 8
Answer: 22 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 14, 7, 9
Answer: 10