Fractions
- A half plus a half equals a whole.
- One–fourth plus one–half equals three fourths. (¼ + ½ = ¾)
- Three–fourths plus three–fourths equals one and one–half. (¾ + ¾ = 1 ½)

- Half–of–a–half is a quarter (1/4).
- Half–of–a–quarter is an eighth (1/8).
- Half–of–an–eighth is a sixteenth (1/16).
- Half–of–a–sixteenth is a thirty–second (1/32).
- You can cut a line segment in half forever.
- A dime is a tenth (1/10) of a dollar because 10 dimes make a dollar.
- A penny is a hundredth (1/100) of a dollar because 100 pennies make a dollar.
- A quarter is a fourth (¼) of a dollar because 4 quarters make a dollar.
- A nickel is a twentieth (1/20) of a dollar because 20 nickels make a dollar.
- A quart is a quarter of a gallon — four quarts make a gallon.
- A pint is half of a quart — two pints make a quart.
- A cup is half of a pint — two cups make a pint.
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