Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 32
Answer: 24 + 32 = 56 -
2. Algebra Substitution
If x = 2, find the value of 2x + 5
Answer: 9 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 11, 4, 5, 20
Answer: 10