Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 15
Answer: 22 + 15 = 37 -
2. Algebra Substitution
If x = 3, find the value of 4x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 12, 5, 9, 11, 4
Answer: 8.2