TEK: 5.3(G)

Division of Decimals

The student applies mathematical process standards to develop and use strategies and methods for positive rational number computations in order to solve problems with efficiency and accuracy.

TEK: 5.3(G)

The student is expected to: solve for quotients of decimals to the hundredths, up to four-digit dividends and two-digit whole number divisors, using strategies and algorithms, including the standard algorithm;

Read and write decimals to the hundredth place

Objectives

Student will be able to:

• read and write decimals to the hundredths place.

• write decimals in standard form to the hundredths place.

A decimal number can be expressed in two ways, in standard form and in words. When written as a number, the decimal is in standard form.

Use a place value chart to write decimal numbers.

4 is in the ones place.

The word and represents the decimal.

3 is in the tenths place.

6 is in the hundredths place.

Write the ones and the decimal point.

4.

Write the tenths.

4.3

Write the hundredths.

4.36

It can also help to fill in the place value chart.

Introduction

Write the following decimal as a number: four and thirty-six hundredths.

First, identify the place value, or location of each number.

The number 4.36 is in standard form since it is written in numbers.

1. Write the decimal for ten and twenty-four hundredths in standard form. Fill in the place value chart below to help.

2. Write the decimal for eleven tenths in standard form.

Examples

Try Together

Fill in the Blanks

1. seven and four tenths. Write each decimal in standard form.

Fill in the Blanks

2. sixty-two hundredths. Write each decimal in standard form.

Excellent!

Write the word name for a decimal and vice versa

Objectives

Student will be able to:

• write the word name for a decimal in standard form.

• write the standard form of a decimal written in words.

At the grocery store, Joseph bought 4.16 pounds of oranges.

What is 4.16 in word form?

Use place values to write decimals in word form.

A place value chart helps show the place value of a decimal.

Use the following steps to write the word for a decimal.

Step One: Write the whole number.

Step Two: Write "and" for the decimal point.

Step Three: Find the smallest decimal place.

Step Four: Read all the digits after the decimal using the smallest decimal place.

Introduction

So, the word form of 4.16 is four and sixteen hundredths.

Joseph bought four and sixteen hundredths pounds of oranges.

four

and

hundredths

sixteen

hundredths

1. Write 13.8 in word form.

Examples

Write the number in a place value chart.

Step One: Write the whole number.

Step Two: Write "and" for the decimal point.

Step Three: Find the smallest decimal place.

Step Four: Read all the digits after the decimal using the smallest decimal eight tenths place.

thirteen

and

tenths

​So, the word form of 13.8 is thirteen and eight tenths.

Try Together

Fill in the Blanks

1. Write the word name for 8.66. Complete the exercises.

Fill in the Blanks

2. Write the standard form of the decimal: sixteen and one hundredth. Complete the exercises.

Excellent!