Keystones — Bedrock
Five GCSE retrieval questions · 9 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 63
Answer: 74 + 63 = 137 -
2. Algebra Substitution
If x = 6, find the value of 4x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 3, 6, 15
Answer: 8