Keystones — Cornerstone
Five GCSE retrieval questions · 23 July 2024 · mathsvault.uk/keystones
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1. Number
Calculate: 70 + 32
Answer: 70 + 32 = 102 -
2. Algebra
Factorise: 15x + 20
Answer: 5(3x + 4) -
3. Geometry
Find the hypotenuse of a right triangle with sides 6cm and 8cm
Answer: 10cm -
4. Ratio
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics
Find the range of: 16, 14, 28, 31, 7
Answer: 24