Keystones — Bedrock
Five GCSE retrieval questions · 4 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 18
Answer: 13 + 18 = 31 -
2. Algebra Substitution
If x = 5, find the value of 4x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 19, 7, 7
Answer: 11