Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 94 + 85
Answer: 94 + 85 = 179 -
2. Algebra Substitution
If x = 7, find the value of 3x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 12, 8, 15, 7, 10
Answer: 10.4