With your right hand in Middle C position, play these two exercises:

Practice #1

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Practice #2
When you see C, play the key that your thumb is on.
When you see 2, play the key that your #2 finger is on.
When you see 3, play the key that your #3 finger is on.
When you see 4, play the key that your #4 finger is on.
When you see 5, play the key that your #5 finger is on.