Keystones — Bedrock
Five GCSE retrieval questions · 13 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 18
Answer: 42 + 18 = 60 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 5, 9, 17, 17
Answer: 12