Keystones — Bedrock
Five GCSE retrieval questions · 28 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 77
Answer: 48 + 77 = 125 -
2. Algebra
Simplify: 3x + 3x
Answer: 6x -
3. Geometry
Find the area of a right triangle with base 10cm and height 8cm
Answer: 40cm² -
4. Ratio
Calculate 25% of 122
Answer: 30.5 -
5. Statistics
Find the mean of: 17, 3, 9
Answer: 9.6666666666667