Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 90
Answer: 53 + 90 = 143 -
2. Algebra Substitution
If x = 4, find the value of 6x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 12, 10, 18, 20
Answer: 15