Keystones — Bedrock
Five GCSE retrieval questions · 4 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 32
Answer: 41 + 32 = 73 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 8, 8, 17, 17, 5
Answer: 11