Intermediate Test Prep Math 8 (Grades7-8) Select Appropriate Units of Measure Lesson

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Scale When measuring or weighing objects it is important to select the appropriate unit of measure to use.

Let's focus right now on the U.S. Customary System.

When discussing how much a car weighs which unit of weight would we use?

TONS
(Pounds would be too small.)

How about when discussing the length
or width of a car?

FEET would make the most sense.

Books

Which unit of measure would we use when discussing how heavy our textbooks are?

POUNDS

What about the length or width
of a textbook?

INCHES

Let's look at one more example...

Which unit of liquid measure might we use when estimating how much water is in a kiddie pool?

GALLONS

Let's Practice!