Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 23
Answer: 23 + 23 = 46 -
2. Algebra Substitution
If x = 10, find the value of 2x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 3, 15, 5, 2, 20
Answer: 9