Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 42
Answer: 48 + 42 = 90 -
2. Algebra Substitution
If x = 10, find the value of 7x + 5
Answer: 75 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 16, 10
Answer: 10