Seven animals are standing in a horizontal row one behind the other. How do we find the position of the animal, three positions before the last animal?
We can find it using a single horizontal number line
To find the position of a group of animals arranged in a single row, we can use a number line to find out.
Just draw the number line and number the animals starting from one as follows.
The last animal is the 7th animal and three positions before it is the 4th animal.