Keystones — Bedrock
Five GCSE retrieval questions · 27 December 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 74
Answer: 78 + 74 = 152 -
2. Algebra Substitution
If x = 5, find the value of 6x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 5, 18, 8, 3, 6
Answer: 8