Maths Olympiad Prep

Library / CEMC Gauss (Grade 8) /233 of 525

CEMC Gauss (Grade 8), 2023

Algebra Difficulty 1.1 Junior Find the answer Canada

If the integers −7,10,9,0,−9-7,10,9,0,-9
are ordered from least to greatest, what is the third integer in the
list?

Pick one

Solution

The difference between 33 and −5-5 is 3−(−5)=3+5=83-(-5)=3+5=8. Therefore, it is now 88℃ warmer.

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.