Warm-up (on page ) Answer the following question in

complete sentences.

Warm-up (on page ) Answer the following question in

complete sentences.Think about multiplying. What is true about the product (answer)? How does it compare to the numbers that you are multiplying together? Give an example.

Think about dividing. What is true about the quotient? How does it compare to the dividend and the divisor? Give an example

Think about multiplying. What is true about the product (answer)? How does it compare to the numbers that you are multiplying together? Give an example.

Think about dividing. What is true about the quotient? How does it compare to the dividend and the divisor? Give an example

Multiplying and Dividing Decimals by 10, 100,

and 1,000

Multiplying and Dividing Decimals by 10, 100,

and 1,000

On page On page

The Basics of Multiplying:The Basics of Multiplying:

• When you multiply by 10, 100, or 1,000, you can move the decimal point to the right.

• The number of decimal places you move is the same as the number of zeroes you are multiplying by.

• When you multiply by 10, 100, or 1,000, you can move the decimal point to the right.

• The number of decimal places you move is the same as the number of zeroes you are multiplying by.

Ex 1) 1.492 x 100Ex 1) 1.492 x 100Move the decimal to the right: two spaces.

149.2149.2

Ex 2)15.36 x 1,000Ex 2)15.36 x 1,000

Move the decimal point to the right: three spaces. Add a zero for the third space.

15,36015,360

The Basics of Dividing:The Basics of Dividing:

• When you divide by 10, 100, or 1,000, you can move the decimal point to the left. Move the decimal point once for each zero you are dividing by.

• When you divide by 10, 100, or 1,000, you can move the decimal point to the left. Move the decimal point once for each zero you are dividing by.

Ex 3) 2,124.94 ÷ 1,000Ex 3) 2,124.94 ÷ 1,000

Move the decimal to the left: three spaces.

2.12494

Ex 4) 4.2 ÷ 100Ex 4) 4.2 ÷ 100Move the decimal point to the left: two spaces. Add a zero for the second space.

.042.042

Complete the Classwork on

page 15. Raise your hand when you are done so that you can be

checked off. Once you are finished, you may start on

your homework.

Complete the Classwork on

page 15. Raise your hand when you are done so that you can be

checked off. Once you are finished, you may start on

your homework.