Keystones — Cornerstone
Five GCSE retrieval questions · 28 November 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 91 + 84
Answer: 91 + 84 = 175 -
2. Algebra
Collect like terms: 6x + 6y + 8x + 7y
Answer: 14x + 13y -
3. Geometry
Find the hypotenuse of a right triangle with sides 8cm and 15cm
Answer: 17cm -
4. Ratio
Calculate 25% of 133
Answer: 33.25 -
5. Statistics
Find the range of: 16, 23, 13, 20, 23
Answer: 10