**Answer 1**

1. Look between 4 and 5.

In the middle there is a line. It is 4.5.

The second tiny line to the left is 4.3.

**Answer 2**

In the middle there is a line. It is 4.5.

**Answer 3**

The second tiny line to the left is 4.3.

**Answer 4**

Between 4 and 5 inches then you will find the 1/16 and 1/8 and 1/4 between 1/4 and 3/8 is about 3/10 on the ruler

**Answer 5**

Two ways- one is to use an architects ruler with ten divisions to the inch, find 4 inches and count up three graduations.