Learning Selection Tools Q&A:

How do you add to a selection? How do you subtract from a selection? Include shortcut keys.

Using the Quick Selection Tool, press shift to draw a selection, and option (alt in Windows) to erase a selection. In the case that you want to deselect the whole selection, press Command + D

What is the best selection tools to use?

It really depends a lot. If you want to select an  area with a constant color, either use the magic wand or the quick selection tool, or when you're outlining an object, use the magnetic lasso (or use the object selection tool if you're sure the computer is fast enough to process it).

How does the magic wand tool "choose" it's selection?

The Magic Wand™ is a tool that selects a group of pixels containing exact or similar color and alpha information from the layer, or the whole image (all visible layers.

Where do you find the filter gallery?

From the top bar... open "Filters", and choose your desired filter from the box

What are the two ways you can change the size of a brush?

• With the brush tool, right click, then adjust the size.

• As a shortcut, use [Alt] (or [Control] + [Alt] on a Mac), then drag the cursor while pressing the left click to adjust the size.