Keystones — Bedrock
Five GCSE retrieval questions · 7 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 85
Answer: 76 + 85 = 161 -
2. Algebra Substitution
If x = 8, find the value of 5x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 3, 6, 3, 7, 14
Answer: 6.6