Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 70
Answer: 76 + 70 = 146 -
2. Algebra Substitution
If x = 10, find the value of 2x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 8, 10, 24, 11, 2
Answer: 11