Keystones — Bedrock
Five GCSE retrieval questions · 2 January 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 39
Answer: 38 + 39 = 77 -
2. Algebra Substitution
If x = 5, find the value of 7x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 19, 3, 20
Answer: 14