Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 60
Answer: 42 + 60 = 102 -
2. Algebra Substitution
If x = 2, find the value of 7x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 14, 15, 14, 7, 20
Answer: 14