Keystones — Cornerstone
Five GCSE retrieval questions · 31 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 143 + 712
Answer: 143 + 712 = 855 -
2. Algebra
What is the next term? 3, 9, 27, 81, ...
Answer: 243 -
3. Geometry
Find the hypotenuse of a right triangle with sides 8cm and 15cm
Answer: 17cm -
4. Ratio
Simplify: 6:6:4
Answer: 3:3:2 -
5. Statistics
Calculate the range of: 92, 48, 89, 61, 92, 60
Answer: 44