Keystones — Bedrock
Five GCSE retrieval questions · 5 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 48
Answer: 47 + 48 = 95 -
2. Algebra Substitution
If x = 5, find the value of 3x + 11
Answer: 26 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 9, 20, 18, 4, 5
Answer: 11.2