Keystones — Bedrock
Five GCSE retrieval questions · 2 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 37
Answer: 12 + 37 = 49 -
2. Algebra Substitution
If x = 3, find the value of 5x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 10, 5, 18, 20, 7
Answer: 12