eureka unit 1 lesson 9

Instructional Supports

WWo

Fluency Practice
Application Problem

Concept Development

Student Debrief

Need:
Journals
Fluency Book
Eureka book

Fluency Practice

Take Out the Unit
76.358 =

1. Write 76.358 = 7 tens _____ thousandths. Fill blank.

2. 76.358 = 763 tenths ______thousandths

Dropdown

76.358 = ​

Select answer

hundredths 8 thousandths

Fluency Practice

** ON
WHITEBOARDS**
*

1.
3 tenths + 2 tenths =Write the addition
sentence in standard form.

2.

5 hundredths + 4 hundredths=

Add
Decimals

Multiple Choice

3.
35 hundredths + 4 hundredths.

• 0.309

• 0.39

• 0.039

• 39

Fluency Practice

One unit less (part 1)
5 tenths…
Say the decimal that is 1 tenth less than the given unit.

1.5 hundredths..1 hundredth less

2.

5 thousandths..1 thousandth less

3.

7 hundredths..1 hundredth less

4.

9 tenths..1 tenth less

** ON
WHITEBOARDS**
*

Multiple Choice

(Write 0.029.)
write the decimal that is one
less thousandth.

• 0.26

• 0.027

• 0.028

• 0.019

Dropdown

1 tenth less than 0.61=​

Select answer

Multiple Choice

1 thousandth less than 0.061

• 0.062

• 0.051

• 0.060

• 60

Multiple Choice

1 hundredth less than 0.549.

• 0.548

• 0.449

• 538

• 0.539

At the 2012 London Olympics, Michael Phelps won the
goldmedal in the men’s 100-meter butterfly. He swam the
first 50 meters in 26.96 seconds. The second 50 meters
took him 25.39 seconds. What was his total time?

Application Problem

Big green book
Pg:

En los Juegos Olímpicos de Londres 2012, Michael
Phelps ganó la medalla de oro en los 100 metros
mariposa masculino. Nadó los primeros 50 metros en
26.96 segundos. Los segundos 50 metros le llevaron
25.39 segundos. ¿Cuál fue su tiempo total?

Lesson Objective

LO: I am learning how to
subtract decimals. 5.3K

Success Criteria
I CAN:.
SC:
… identify and subtract like
units and write the difference in
standard form.
… subtract using the standard
algorithm.

​success criteria

Concept Development

White board
Use place value chart and
disks if needed

a.

5 thousandths − 3 thousandths

PROBLEM 1

a.

7 ones 5 thousandths − 2 ones 3thousandths

b.

9 hundreds 5 hundredths − 3hundredths

JOURNAL WORK

CONCEPT DEVELOPMENT

Concept Development

2 ) 83 tenths – 6.4

3.) 9.2 – 6 ones 4 tenths

Concept Development

\

Use place value charts &
disks as needed

4.) 0.831 – 0.292

5.) 4.083 – 1.29

6.) 6 – 0.48

Problem Set

Must do:
1.
***IF YOU
FINISH
THESE,
WORK ON
WHAT YOU
DIDN’T
FINISH

Student Debrief

Did you have to use the standard algorithm
to
solve each of the problems in Problem 3?
Look at
Problem 3(b) and (c). Which was more
challenging? Why?

Exit Ticket