Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 30
Answer: 28 + 30 = 58 -
2. Algebra Substitution
If x = 8, find the value of 3x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 6, 18, 12
Answer: 12