Topics
7. Measurement
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United States of AmericaAZ
4th Grade

7.03 Convert units of mass

Lesson
Practice
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

This video looks at how to convert kilograms (kg) to grams (g).

Apply

Question 1

How many grams are there in $2$2 kilograms?

Learn

We can convert from pounds to ounces using the relationship:

$1$1 pound $=$= $16$16 ounces

Apply

Question 2

How many ounces are there in $2$2 pounds?

 

Remember!

There are $1000$1000 grams in $1$1 kilogram.

There are $16$16 ounces in $1$1 pound.

When we are converting from a larger unit to a smaller unit, we multiply because there are more of them. 

 

Outcomes

4.MD.A.1

Know relative sizes of measurement units within one system of units which could include km, m, cm; kg, g; lb, oz.; L, ml; hr, min, sec. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit and in a smaller unit in terms of a larger unit. For example, know that 1 ft is 12 times as long as 1 in. Express the length of a 4 ft snake as 48 in. Generate a conversion table for feet and inches listing the number pairs (1,12), 2,24), (3,36).

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