Keystones — Bedrock
Five GCSE retrieval questions · 3 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 10 + 15
Answer: 10 + 15 = 25 -
2. Algebra
Simplify: 3x + 9x
Answer: 12x -
3. Geometry
Find the area of a right triangle with base 11cm and height 6cm
Answer: 33cm² -
4. Ratio
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics
Find the range of: 16, 18, 37, 19, 30
Answer: 21