Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 79
Answer: 47 + 79 = 126 -
2. Algebra Substitution
If x = 7, find the value of 7x + 9
Answer: 58 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 5, 2, 3, 10
Answer: 5