Keystones — Bedrock
Five GCSE retrieval questions · 8 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 56 + 23
Answer: 56 + 23 = 79 -
2. Algebra Substitution
If x = 5, find the value of 2x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 14, 2, 13, 16, 20
Answer: 13