Math Topic 5 Review - Dividing Decimals

99,3000 because the decimal point moves 2 places to the right when you divide by  $10^2$  

0.993 because the decimal point moves 2 places to the left when you divide by  $10^2$  

0.0993 because the decimal point moves 2 places to the left when you divide by  $10^2$  

993,000 because the decimal point moves 2 places to the right when you divide by  $10^2$  

To divide the number by 10, move the decimal point one place to the right.

To multiply the number by 1,000, move the decimal point three places to the left.

To divide the number by 100, move the decimal point two places to the left.

To multiply the number by 100, move the decimal point three places to the right.

0.00703

70.03

700.3

7.003

 $10^0$  

 $10^1$  

 $10^2$  

 $10^3$  

$925\ \div\ 1,000\ =\ 925,000$

$925\ \div\ 1,000\ =\ 9,250$

$925\ \div\ 1,000\ =\ 0.00925$

$925\ \div\ 1,000\ =\ 0.925$

 $10^0$  

 $10^2$  

 $10^4$  

 $10^1$  

375

37.5

3.75

0.375

The expression is equivalent to 0.092

The expression will have 2 zeros before the 9

It is the same thing as dividing 92 by 1000

The expression is equivalent to 3 times smaller than 92

It is the same thing as  $92\ \div\ 10\ \div\ 10\ \div\ 10$  

0.865

8.65

86.5

865

.022

.542

2.2

5.42

$19.73

$12.75

$6.68

$4.25

0.7

7

70

0.07

0.7

4

7

7.2

0.72

72

720

Dahmyla's model is incorrect. Her model shows 48 tenths divided into 6 equal groups of 8 tenths. Dahmyla will have 0.8 pounds of ground beef in each burger.

Dahmyla's model is correct. Her model shows 48 tenths divided into 8 equal groups of 6 tenths. Dahmyla will have 0.6 pounds of ground beef in each burger.

Dahmyla's model is incorrect. Her model shows 42 tenths divided into 6 equal groups of 7 tenths. Dahmyla will have 0.7 pounds of ground beef in each burger.

Dahmyla's model is correct. Her model shows 42 tenths divided into 7 equal groups of 6 tenths. Dahmyla will have 0.6 pounds of ground beef in each burger.