Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 78
Answer: 47 + 78 = 125 -
2. Algebra Substitution
If x = 10, find the value of 3x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 7, 16, 9, 10, 18
Answer: 12