1-4 Dividing Decimals

There are three ways to write a division problem.

divisor dividenddividend

divisordividend ÷ divisor

There are two parts to today's lesson.

Divisor is a whole number 8 388.8

Divisor is a decimal 0.5 456.25

A. Divisor is a whole number 8 388.8

Steps:Raise the decimal point above the barDivide normally

Ex. 1 8 388.8 Ex. 2 18.2

4

3.) 4.38 12   4.) 45.2 6  ÷ ÷

B. Divisor is a decimal 0.5 456.25

Steps:Move the decimal pt. to the right until the divisor becomes a whole #Move the decimal pt. in the dividend the same # of placesRaise the decimal point and divide normally

1.) 0.5 456.25 2.) 5.472 1.2÷

3.) 918

0.03

4.) 85 3 ÷

Demonstrate Understanding: Find the quotient.

1.) 15.24 6÷ 2.) 7.524

2.2