Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 42
Answer: 18 + 42 = 60 -
2. Algebra Substitution
If x = 2, find the value of 4x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 13, 4, 13
Answer: 10