Step 03: Fill and Stroke To the bottom left of the screen is the Fill and Stroke Box. If you double click on it, the Fill and Stroke Window will appear.
However, if you right click the Fill Color in this Fill and Stroke Box, a menu to edit the Fill will pop up. Vice versa, if you right click the
Stroke Color, a menu to edit the Stroke will pop up.
Step 04: Color Palette
On this Edit Fill menu select "White". Then repeat the step for the Stroke and select "Black".
Just above the Fill and Stroke Box is the Color Palette. It should show the Default Inkscape Colors.
To verify, click on the Arrow
to the bottom right of the screen.
Step 05: Draw Other Rectangles
A Color Menu will pop up. If you wanted to change the colors that you see, you could select one of the other
options on the menu, such as "Gold".
Draw 3 more Rectangles, setting the Fill to "White" and the Stroke to "Black".
Draw the Rectangles on the page so that they look like this:
However, if you right click the Fill Color in this Fill and Stroke Box, a menu to edit the Fill will pop up. Vice versa, if you right click the
Stroke Color, a menu to edit the Stroke will pop up.
Then repeat the step for the Stroke and select "Black".
Just above the Fill and Stroke Box is the Color Palette. It should show the Default Inkscape Colors. 
to the bottom right of the screen.
If you wanted to change the colors that you see, you could select one of the other
options on the menu, such as "Gold".
Draw 3 more Rectangles, setting the Fill to "White" and the Stroke to "Black".