Keystones — Bedrock
Five GCSE retrieval questions · 1 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 77
Answer: 56 + 77 = 133 -
2. Algebra Substitution
If x = 8, find the value of 4x + 6
Answer: 38 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 8, 15, 19, 21, 7
Answer: 14