Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 10
Answer: 38 + 10 = 48 -
2. Algebra Substitution
If x = 4, find the value of 4x + 8
Answer: 24 -
3. Geometry Converting lengths
Convert 14cm to mm
Answer: 140mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 8, 20, 7, 7, 5
Answer: 9.4