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The
customary units
for measuring weight are ounce
(oz), pound (lb), and ton (T).
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Key Facts |
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1 pound (lb) = 16 ounces
(oz) 1 ton (T) =
2,000 pounds (lb) |
 Look at each item below.
Try to image picking up each item.
|
Ounce |
Pound |
Ton |
|
 |
 |
 |
Lightest unit
 Heaviest unit |
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To change units, think which unit is heavier. Then think about
how the two units relate. |
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2 lb =
? oz
Ounces are lighter than pounds.
One pound is 16 ounces.
Multiply by 16.
2 x 16 =
32
So, 2
pounds equal 32 ounces.
To
change to a lesser unit
multiply. |
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48 oz
= ? lb
Pounds are heavier than ounces.
There are 16 ounces in a pound.
48
divided by 16 = 3
So, 3
pounds equal 48 ounces.
To
change to a greater unit
divide. |
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