Ontario Curriculum Expectation:
6.B1.2 read and represent integers, using a variety of tools and strategies, including horizontal and vertical number lines
Integers are whole numbers and their opposites.
Numbers such as −27 and +82 are integers.
Zero is neither positive nor negative.
Negative integers are less than 0. Example: −2 or −100
Positive integers are greater than 0. Example: +2 or 100