Keystones — Bedrock
Five GCSE retrieval questions · 13 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 43
Answer: 33 + 43 = 76 -
2. Algebra Substitution
If x = 3, find the value of 4x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 11, 4, 17, 20
Answer: 13