Keystones — Bedrock
Five GCSE retrieval questions · 3 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 75
Answer: 68 + 75 = 143 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 10, 4, 10, 18, 18
Answer: 12