What is the additive inverse of $27$27?
What is the additive inverse of $-23$−23?
What is the additive inverse of $-\frac{4}{9}$−49?
What is the additive inverse of $-5.23$−5.23?
(c) Understand subtraction of rational numbers as adding the additive inverse, p – q = p + (–q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts.