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7.02 Convert units of liquid volume

Lesson

Are you ready?

Do you remember how to multiply by $1000$1000? Let's try a problem to practice.

Complete these number sentences.

  1. $8\times10=\editable{}$8×10=

  2. $80\times10=\editable{}$80×10=

  3. $800\times10=\editable{}$800×10=

  4. $8000\times10=\editable{}$8000×10=

Learn

Here are some relationships between the units for liquid volume:

  • $1$1 liter $=$= $1000$1000 milliliters
  • $1$1 quart $=$= $2$2 pints
  • $1$1 pint $=$= $2$2 cups
  • $1$1 cup $=$= $8$8 ounces

This video shows a strategy for converting between units of volume.

Vocabulary:

You might have noticed that liters and milliliters are spelled as 'litres' and 'millilitres' in the video. This is because that is the standard spelling in the metric system.

Apply

Convert $91$91 liters to milliliters.

  1. $91$91 liters = $\editable{}$ milliliters

Remember!

There are $1000$1000 milliliters in $1$1 liter.

This means that a liter is a thousand milliliters, and a milliliter is a thousandth of a liter.

Outcomes

4.MD.1

Know relative sizes of measurement units within one system of units (standard and metric), including kilometers, meters, and centimeters; liters and milliliters; kilograms and grams; pounds and ounces; hours, minutes, and seconds. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit. Record measurement equivalents in a two-column table.

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