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Eureka Math

5th Grade

Module 1

Lesson 5

At the request of elementary teachers, a team of Bethel & Sumner educators met as a committee to create Eureka slideshow presentations. These presentations are not meant as a script, nor are they required to be used. Please customize as needed. Thank you to the many educators who contributed to this project!

Directions for customizing presentations are available on the next slide.

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Customize this Slideshow

Reflecting your Teaching Style and Learning Needs of Your Students

  • When the Google Slides presentation is opened, it will look like Screen A.
  • Click on the “pop-out” button in the upper right hand corner to change the view.
  • The view now looks like Screen B.
  • Within Google Slides (not Chrome), choose FILE.
  • Choose MAKE A COPY and rename your presentation.
  • Google Slides will open your renamed presentation.
  • It is now editable & housed in MY DRIVE.

Screen A

“pop-out”

Screen B

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Icons

Read, Draw, Write

Learning Target

Think Pair Share

Individual

Partner

Whole Class

Small Group Time

Small Group

Personal White Board

Problem Set

Manipulatives Needed

Fluency

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I can name decimal fractions in expanded, unit, and word forms by applying place value reasoning.

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Fluency: Sprint

Multiply Decimals by 10, 100, and 1,000 (8 minutes)

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Multiply and Divide by Exponents

Millions to thousandths place value chart

5

4

1) Say the decimal.

2) Multiply it by 102

3) Say the product

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Multiplying Metric Units

3 m = ____ cm

Show 3 on your place value chart.

How many centimeters are in 1 meter?

Show how many centimeters are in 3 meters on your place value chart.

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Mutliplying Metric Units

3

0

3

0

How many centimeters are in 3 meters?

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Application Problem

Jordan measures a desk at 200cm. James measures the same desk in millimeters, and Amy measures the same desk in meters. What is James’ measurement in millimeters? What is Amy’s measurement in meters? Show your thinking using a place value chart or an equation with exponents.

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Application Problem

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Content Development

On your personal white board, write this number in standard form, expanded form, and unit form.

3,047

Explain to your partner the purpose of writing this number in these different forms.

Thousands through thousandths place value chart

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Content Development

Problem 1: Write 1 thousandth using digits on your place value chart.

How many ones? Tenths? Hundredths? Thousandths?

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Content Development

0

1

0

0

This is the standard form of the decimal for 1 thousandth.

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Content Development

We write 1 thousandth as a fraction like this:

1 thousandth is a single copy of a thousandth. We write the expanded form using a fraction like this:

And, we write the expanded form using a decimal like this:

1 x 0.001

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Content Development

We write the unit form of 1 thousandth like this:

1 thousandth

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Content Development

Problem 2: Imagine 3 copies of 1 thousandth. How many thousandths is that?

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Content Development

3 thousandths is 3 copies of 1 thousandth. Turn and talk to your partner about how this is written in expanded form using a fraction and using a decimal.

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Content Development

Write 13 thousandths in standard form and expanded form using fractions and then using decimals.

Turn and share with your partner.

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Content Development

Standard form = 0.013

Expanded forms =

Now, write this decimal in unit form.

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Content Development

1 hundredth 3 thousandths → 13 thousandths

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Content Development

Problem 3:

Represent 25.413 in word, expanded, and unit form.

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Content Development

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Content Development

Problem 4:

Write the standard, expanded, and unit forms of

four hundred four thousandths

and

four hundred and four thousandths.

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Content Development

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Problem Set

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Debrief

  • Which tasks in Problem 1 are alike? Why?
  • What is the purpose of writing a decimal number in expanded form using fractions? What was the objective of our lesson today?
  • Compare your answers to Problem 1(d) and 1(e). What is the importance of the word and when naming decimals in standard form?
  • When might expanded form be useful as a calculation tool?
  • How is expanded form related to the standard form of a number?

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Exit Ticket