Lesson 3: “On” and “Off”

Here is a diagram of which fingers press which keys in ten-fingered typing:

Note that 15 keys as a whole are assigned to the left hand, and 15 keys as a whole are assigned to the right hand.

Even in two-fingered typing, one’s first impulse will be to type the letters on the left half of the keyboard with one’s left hand, and those on the right half with the right hand.

We will call these the “on” letters for each hand, and the “on” hand for each letter: when the left hand types on the left half of the keyboard, that hand and those letters are “on.”  And when the right hand types on the right half of the keyboard, that hand and those letters are also “on.”

An “off” hand or letter is when the right hand types on the left half of the keyboard, or vice versa.  In these lessons, “off” letters will typically (but not always) be underlined.  (Sometimes I’ll forget.)

Today’s practice is to type “The quick brown fox …” as usual with the left hand only, and then the right hand only, but now observe which letters are “on” and which ones “off.”

Word list:

With the left hand only: The quick brown fox jumps over the lazy dog.

With the right hand only: The quick brown fox jumps over the lazy dog.

Previous lesson:  Lesson 2: Easy words Next lesson: Lesson 4: Easy words — with a twist

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