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2.1 Decimal Place Value Objective: To read and write decimal numbers in tenths, hundredths, thousandths, and ten-thousandths.

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Presentation on theme: "2.1 Decimal Place Value Objective: To read and write decimal numbers in tenths, hundredths, thousandths, and ten-thousandths."— Presentation transcript:

1 2.1 Decimal Place Value Objective: To read and write decimal numbers in tenths, hundredths, thousandths, and ten-thousandths

2 What is a Decimal? A number that names a whole and part of a whole
It shows a value less than 1 It uses a decimal point to separate the whole number from the decimal part. Now give me an example of a decimal…!!!

3 123. 4 5 7 8 Read the number and study the place value of each number

4 Find the decimal and fraction it represents

5 Again find the number represented in expanded form which is 1.25

6 4.973 Now write the word form and expanded form of the following examples (group work)

7 7.0458

8 Two thousand nine hundred four ten-thousandths

9

10 Which is greater, one hundredths or one thousandths?
Do 0.4 and 0.04 name the same decimal ? Explain

11 Homework:Decimal Place Value Advertisements
 1. Take a piece of construction paper to work on. You will also need crayons, markers or colored pencils. 2. Draw a picture of a toy or supermarket item that you would like to sell or that you would like to buy. 3. On the top of your paper, write a price for your toy. Your price must have digits in the tenths and hundredths place. Example: LE 4. Next, you must write an advertisement for your price that includes the price of your toy in word form, expanded form and standard form.

12 H.W. Example: “The hottest toy is now available for $89.99! Guitar Hero will be the best money you ever spent! Get it now for just eighty-nine dollars and ninety-nine hundredths of a dollar. That is right it’s available for dollars!”

13 Class Work Text Book Pg 24 Q 8, 10, 12, 14, 16, 17, 20, 22, 25

14 Homework PW Pg 6 Q 1 to 6, and 10 to 17


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