Keystones — Cornerstone
Five GCSE retrieval questions · 24 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 84
Answer: 48 + 84 = 132 -
2. Algebra
Solve: 8x = 24
Answer: x = 3 -
3. Geometry
Find the hypotenuse of a right triangle with sides 8cm and 15cm
Answer: 17cm -
4. Ratio
Calculate 50% of 98
Answer: 49 -
5. Statistics
Find the range of: 21, 11, 6, 14, 20
Answer: 15