1 / 30

# Topic D a dding and subtracting decimals - PowerPoint PPT Presentation

Topic D a dding and subtracting decimals. STANDARD - 5.NBT.2, 5.NBT.3, 5.NBT.7. Grade 5 Module 1 Lesson 9. Objective: A dd decimals using place value  strategies and relate those strategies  to a written method. MATERIALS NEEDED FOR THIS LESSON. Student. P ersonal White Boards

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## PowerPoint Slideshow about ' Topic D a dding and subtracting decimals' - tal

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

adding and subtracting decimals

STANDARD - 5.NBT.2, 5.NBT.3, 5.NBT.7

Module 1 Lesson 9

Objective:

Add decimals using place value  strategies and relate those strategies  to a written method.

FOR THIS LESSON

Student

Personal White Boards

place value disks

Student Pages

Sprint A & B

Problem Set

Exit Ticket

Homework

Teacher

Teacher Pages

Fluency Practice(14 minutes)

8 minutes

5.NBT.4

SPRINT A

1 minutes

Do as many problems as you can.

Do your personal best.

Get set!

THINK!

5.NBT.4

SPRINT B

1 minutes

Do as many problems as you can.

Do your personal best.

Get set!

THINK!

2 minutes

5.NBT.1

6.358

Say the number

How many tenths?

_____ tenths _____ hundredths

Say the number

How many tenths?

_____ tenths _____ hundredths

2 minutes

5.NBT.4

2.475

Say the number?

Round to the nearest tenth

Round to the nearest hundredth

Say the number?

Round to the nearest tenth

Round to the nearest hundredth

2 minutes

5.NBT.7

Say the decimal that's one tenth more ..

5 tenths

5 hundredths

5 thousandths

8 hundredths

3 tenths

2 thousandths

0.052

What is one more tenth more than

35 hundredths

What is 1 thousandth more than

35 hundredths

438 thousandths

(5 minutes)

Ten baseballs weigh 1,417.4 grams. About how  much does 1 baseball weigh? Round your  answer to the nearest tenth of a gram. Round to  the nearest gram. If someone asked you, "About  how much does a baseball weigh?" which anser  would you give? Why?

2 tenths + 6 tenths

ones

tenths

thousandths

hundredths

2 ones 3 thousandths + 6 ones 1 thousandths

ones

tenths

thousandths

hundredths

2 tenths 5 thousandths + 6 hundredths

ones

tenths

thousandths

hundredths

1.8 + 3 tenths

ones

tenths

thousandths

hundredths

1 hundred 8 hundredths + 2 ones 4 hundredths

hundreds

ones

tens

tenths

thousandths

hundredths

148 thousandths + 7 ones 13 thousandths

hundreds

ones

tens

tenths

thousandths

hundredths

0.74 + 0.59

hundreds

ones

tens

tenths

thousandths

hundredths

7.048 + 5.196

hundreds

ones

tens

tenths

thousandths

hundredths

7.44 + 0.774

hundreds

ones

tens

tenths

thousandths

hundredths

Problem Set (10 minutes)

Do Your Personal Best

(Complete independently!)

Student Debrief (10 minutes)

How is adding decimal fractions the same as  adding whole numbers? How is it different

Did you recognize a pattern in the digits used  in #2? Look at each row and column.

What are some different words you have used through  the grades for changing 10 smaller units for 1 of the  next larger units or changing 1 unit for 10 of the next  smaller units?

What do you notice about the sum in #2f? What  are some different ways to express the sum?

What do you notice about the addends in letters b,d  and f in #1? Explain the thought process in solving  these problems.

EXIT TICKET (3 minutes)

Complete the exit ticket and turn in...