Keystones — Bedrock
Five GCSE retrieval questions · 30 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 31
Answer: 36 + 31 = 67 -
2. Algebra Substitution
If x = 7, find the value of 3x + 5
Answer: 26 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 7, 13, 8, 5, 13
Answer: 9.2