Keystones — Bedrock
Five GCSE retrieval questions · 4 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 37
Answer: 30 + 37 = 67 -
2. Algebra Substitution
If x = 3, find the value of 6x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 11, 20, 9, 2, 6
Answer: 9.6