The additive inverse of $-3$ is  .

The sum of all the integers between $-3$ and $-2$ is _____.

The sum of any two positive integers is _____ than both the integers.

Driving $15 \mathrm{km}$ to the east is $\mathrm{y} \mathrm{km}$. Then $\mathrm{y}$ is $+15 \left(\mathrm{or} \right)-15$.

Write a directed number to represent the following.

A fall in temperature of $3°\mathrm{C}$.

Simplify : $7\times (-4)\times (-3)\times (-5)$

Write the opposite of the following.

Driving $40 \mathrm{km}$ north.

Write the opposite of the following.

Arriving $5$ minutes early.