Keystones — Bedrock
Five GCSE retrieval questions · 29 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 35
Answer: 43 + 35 = 78 -
2. Algebra Substitution
If x = 7, find the value of 7x + 9
Answer: 58 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 11, 9, 10, 20, 10
Answer: 12