Convert Measurements Using Multiplication

Converting Measurements

How many pints are in five quarts?

5 qt =? pt

To solve look at the reference material. How many pints = 1 quart?

5 qt =? pt

1 qt = 2 pt

What is the relationship between quarts and pints?

Think of an input output table.

To change larger units to smaller units, multiply.

1 quart = 2 pints

so 5 qt x 2 = 10 pints

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Convert the measurement

7 yards = ______ feet

Based on the reference chart

1 yard = how many feet?

7 yd = ? ft

1 yd = 3 ft

What is the relationship between yards and feet?

Think of an input output table.

To change larger units to smaller units, multiply.

Multiple Choice

7 yards = ? feet

• 3

• 21

• 10

• 28

Multiple Choice

8 feet = ____ inches

• 12

• 8

• 96

• 108

When we convert large to small, we multiply.

But...

What happens if you convert a smaller unit to a larger unit?

64 ounces = ? lbs

To solve look at the reference material.

___ pound = ______ ounces

64 oz =? lbs

1 lb = 16 oz

What is the relationship between ounces and pounds?

Think of an input output table.

To change smaller units to larger units, divide.

64 ounces = ? pounds
so 64 $\div$  16 = 4 lbs

or think 4 x __ = 64 oz
4 x 16 = 64

Multiple Choice

6,000 lb = ?T

• 3000

• 300

• 30

• 3

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Multiple Choice

12 quarts = ? gallons

• 4

• 3

• 5

• 16