Keystones — Lintel
Five GCSE retrieval questions · 11 July 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 652 + 102
Answer: 652 + 102 = 754 -
2. Algebra
What is the next term? 6, 18, 54, 162, ...
Answer: 486 -
3. Geometry
Calculate the perimeter of a right triangle with sides 11cm and 9cm
Answer: 34.2cm -
4. Ratio
Simplify: 24:8:20
Answer: 6:2:5 -
5. Statistics
Calculate the mean of: 32, 11, 30, 20, 24, 25, 40, 14
Answer: 24.5