Keystones — Bedrock
Five GCSE retrieval questions · 12 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 64
Answer: 25 + 64 = 89 -
2. Algebra Substitution
If x = 8, find the value of 4x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 19, 12, 14
Answer: 15