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practice, if the moon is available in the daytime, try finding it and take a look.
When finding objects in the sky, use the lowest power available. Use the longest eyepiece that came with the scope for the lowest power. That will be the one with the longest focal length which should be marked on the eyepiece. The magnifying power is found by dividing the focal length of the telescope by the focal length of the eyepiece in use. Also many of the inexpensive scopes come with a very short focal length eyepiece that is almost impossible to use because it theoretically gives more magnifying power than is usable in a small scope. All telescopes are limited to about 50
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