A number line can be useful when answering questions involving negative numbers. When adding a positive number, go up the number line (move to the right). When subtracting a positive number, go down ...
Inequality symbols can be used to show which number is greater. For example, \(-2 \textless -1\) means -2 is less than -1. The wider part of the inequality sign faces the larger number. \(-1 ...
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