SlideShare a Scribd company logo
5.1 LCM & Comparing Fractions                                November 17, 2011




                                                       Bellwork
      Write the prime factorization of each number.
      (factor tree)

      1. 20                                        2. 621

      3. Place the following numbers in order from 
      least to greatest:     4, 1/2, ­3, ­2/3, 1/4


       Objective ­ find the least common multiple & compare fractions 




HW pg. 235 #1­37 odds                                                            1
5.1 LCM & Comparing Fractions                                          November 17, 2011




    A multiple of a number is the product of that number and any nonzero number.

    Multiples of 4: 
     
    Multiples of 6: 



      Today, both the baseball and soccer teams had games.  
      The baseball team plays every 6 days.  The soccer team plays every 5 days.  
      When will both teams have games on the same day again?




HW pg. 235 #1­37 odds                                                                      2
5.1 LCM & Comparing Fractions    November 17, 2011




     Find the LCM of 12 and 40




HW pg. 235 #1­37 odds                                3
5.1 LCM & Comparing Fractions                   November 17, 2011




      Find the LCM.

      6, 16                     9, 15   12, 15, 18




HW pg. 235 #1­37 odds                                               4
5.1 LCM & Comparing Fractions   November 17, 2011




      Find the LCM

      6a2, 18a3




HW pg. 235 #1­37 odds                               5
5.1 LCM & Comparing Fractions                        November 17, 2011




      Find the LCM

                                  2      4      2
      12x, 15xy                 8m , 14m     25y , 15x




HW pg. 235 #1­37 odds                                                    6
5.1 LCM & Comparing Fractions                                        November 17, 2011




      When fractions have different denominators, rewrite the fractions 
      with a common denominator.  Then compare the numerators.  


     The math team won 5/8 of its competitions and the debate team won 7/10 
     of its competitions.  Which team won the greater fraction of competitions?

         Steps:
         1. Find the LCM of 8 and 10

         2. Write equivalent fractions with the new denominator.

         3. Compare the fractions




HW pg. 235 #1­37 odds                                                                    7
5.1 LCM & Comparing Fractions                            November 17, 2011




                 Compare the fractions in each pair.  

                 6 ,  4                        ­3 , ­7
                 7    5                         4   10




HW pg. 235 #1­37 odds                                                        8
5.1 LCM & Comparing Fractions                                   November 17, 2011




     Order 1/2, 3/4, and 2/5 from least to greatest.  Change to LCD first. 




HW pg. 235 #1­37 odds                                                               9
5.1 LCM & Comparing Fractions                      November 17, 2011




                        HW pg. 235 # 1 ­ 37 odds




HW pg. 235 #1­37 odds                                              10

More Related Content

Viewers also liked

Echeverri (1)
Echeverri (1)Echeverri (1)
Echeverri (1)jugafoce
 
Country Report Canada
Country Report CanadaCountry Report Canada
Country Report CanadaWestBridger
 
The periodic table
The periodic tableThe periodic table
The periodic tableJesseWeinert
 
Redbull
RedbullRedbull
Redbull
brotherguto
 
Linden Real Estate Market Report - July 2014
Linden Real Estate Market Report - July 2014Linden Real Estate Market Report - July 2014
Linden Real Estate Market Report - July 2014
Jean Zuhl
 
Israel 2014 Walking Adventure
Israel 2014 Walking AdventureIsrael 2014 Walking Adventure
Israel 2014 Walking Adventure
Walking Adventures International
 
What is curb appeal
What is curb appealWhat is curb appeal
What is curb appeal
Jean Zuhl
 
Casos de estrategias uno
Casos de estrategias unoCasos de estrategias uno
Casos de estrategias uno
Edgar Sanchez
 
Trabajo de ciencias juan manuel b
Trabajo de ciencias juan manuel bTrabajo de ciencias juan manuel b
Trabajo de ciencias juan manuel bjugafoce
 
Modern Latin America
Modern Latin AmericaModern Latin America
Modern Latin AmericaWestBridger
 
Sharing the Learning from Innovation in Mental Health Practice
Sharing the Learning from Innovation in Mental Health PracticeSharing the Learning from Innovation in Mental Health Practice
Sharing the Learning from Innovation in Mental Health Practice
NHSScotlandEvent
 
Quality, Innovation, Productivity and Prevention in Primary Care
Quality, Innovation, Productivity and Prevention in Primary CareQuality, Innovation, Productivity and Prevention in Primary Care
Quality, Innovation, Productivity and Prevention in Primary Care
NHSScotlandEvent
 

Viewers also liked (16)

Echeverri (1)
Echeverri (1)Echeverri (1)
Echeverri (1)
 
Miss cox
Miss coxMiss cox
Miss cox
 
Film lessons
Film lessonsFilm lessons
Film lessons
 
Country Report Canada
Country Report CanadaCountry Report Canada
Country Report Canada
 
The periodic table
The periodic tableThe periodic table
The periodic table
 
Redbull
RedbullRedbull
Redbull
 
Linden Real Estate Market Report - July 2014
Linden Real Estate Market Report - July 2014Linden Real Estate Market Report - July 2014
Linden Real Estate Market Report - July 2014
 
Israel 2014 Walking Adventure
Israel 2014 Walking AdventureIsrael 2014 Walking Adventure
Israel 2014 Walking Adventure
 
What is curb appeal
What is curb appealWhat is curb appeal
What is curb appeal
 
Casos de estrategias uno
Casos de estrategias unoCasos de estrategias uno
Casos de estrategias uno
 
We guardians Aug'13
We guardians  Aug'13We guardians  Aug'13
We guardians Aug'13
 
Trabajo de ciencias juan manuel b
Trabajo de ciencias juan manuel bTrabajo de ciencias juan manuel b
Trabajo de ciencias juan manuel b
 
Modern Latin America
Modern Latin AmericaModern Latin America
Modern Latin America
 
Sharing the Learning from Innovation in Mental Health Practice
Sharing the Learning from Innovation in Mental Health PracticeSharing the Learning from Innovation in Mental Health Practice
Sharing the Learning from Innovation in Mental Health Practice
 
Quality, Innovation, Productivity and Prevention in Primary Care
Quality, Innovation, Productivity and Prevention in Primary CareQuality, Innovation, Productivity and Prevention in Primary Care
Quality, Innovation, Productivity and Prevention in Primary Care
 
Adjectives
AdjectivesAdjectives
Adjectives
 

More from Mrs. Hedrick's Pre-Algebra Class (20)

Equation review
Equation reviewEquation review
Equation review
 
Review notes
Review notesReview notes
Review notes
 
10.9 notes
10.9 notes10.9 notes
10.9 notes
 
10.7 notes
10.7 notes10.7 notes
10.7 notes
 
10.4 notes
10.4 notes10.4 notes
10.4 notes
 
10.3 notes
10.3 notes10.3 notes
10.3 notes
 
10.2 notes
10.2 notes10.2 notes
10.2 notes
 
10.1 notes
10.1 notes10.1 notes
10.1 notes
 
9.10 notes
9.10 notes9.10 notes
9.10 notes
 
9.9 notes
9.9 notes9.9 notes
9.9 notes
 
9.8 notes
9.8 notes9.8 notes
9.8 notes
 
9.7 notes
9.7 notes9.7 notes
9.7 notes
 
9.6 notes
9.6 notes9.6 notes
9.6 notes
 
9.6 Notes
9.6 Notes9.6 Notes
9.6 Notes
 
9.5 notes
9.5 notes9.5 notes
9.5 notes
 
9.4 notes
9.4 notes9.4 notes
9.4 notes
 
9.3 notes
9.3 notes9.3 notes
9.3 notes
 
9.2 notes
9.2 notes9.2 notes
9.2 notes
 
9.1 notes
9.1 notes9.1 notes
9.1 notes
 
8.8 notes
8.8 notes8.8 notes
8.8 notes
 

Recently uploaded

Chapter 3 - Islamic Banking Products and Services.pptx
Chapter 3 - Islamic Banking Products and Services.pptxChapter 3 - Islamic Banking Products and Services.pptx
Chapter 3 - Islamic Banking Products and Services.pptx
Mohd Adib Abd Muin, Senior Lecturer at Universiti Utara Malaysia
 
Model Attribute Check Company Auto Property
Model Attribute  Check Company Auto PropertyModel Attribute  Check Company Auto Property
Model Attribute Check Company Auto Property
Celine George
 
The basics of sentences session 5pptx.pptx
The basics of sentences session 5pptx.pptxThe basics of sentences session 5pptx.pptx
The basics of sentences session 5pptx.pptx
heathfieldcps1
 
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
Nguyen Thanh Tu Collection
 
The geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideasThe geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideas
GeoBlogs
 
Overview on Edible Vaccine: Pros & Cons with Mechanism
Overview on Edible Vaccine: Pros & Cons with MechanismOverview on Edible Vaccine: Pros & Cons with Mechanism
Overview on Edible Vaccine: Pros & Cons with Mechanism
DeeptiGupta154
 
Guidance_and_Counselling.pdf B.Ed. 4th Semester
Guidance_and_Counselling.pdf B.Ed. 4th SemesterGuidance_and_Counselling.pdf B.Ed. 4th Semester
Guidance_and_Counselling.pdf B.Ed. 4th Semester
Atul Kumar Singh
 
Lapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdfLapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdf
Jean Carlos Nunes Paixão
 
Instructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptxInstructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptx
Jheel Barad
 
special B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdfspecial B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdf
Special education needs
 
Home assignment II on Spectroscopy 2024 Answers.pdf
Home assignment II on Spectroscopy 2024 Answers.pdfHome assignment II on Spectroscopy 2024 Answers.pdf
Home assignment II on Spectroscopy 2024 Answers.pdf
Tamralipta Mahavidyalaya
 
Palestine last event orientationfvgnh .pptx
Palestine last event orientationfvgnh .pptxPalestine last event orientationfvgnh .pptx
Palestine last event orientationfvgnh .pptx
RaedMohamed3
 
Sha'Carri Richardson Presentation 202345
Sha'Carri Richardson Presentation 202345Sha'Carri Richardson Presentation 202345
Sha'Carri Richardson Presentation 202345
beazzy04
 
TESDA TM1 REVIEWER FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...
TESDA TM1 REVIEWER  FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...TESDA TM1 REVIEWER  FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...
TESDA TM1 REVIEWER FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...
EugeneSaldivar
 
Operation Blue Star - Saka Neela Tara
Operation Blue Star   -  Saka Neela TaraOperation Blue Star   -  Saka Neela Tara
Operation Blue Star - Saka Neela Tara
Balvir Singh
 
Acetabularia Information For Class 9 .docx
Acetabularia Information For Class 9  .docxAcetabularia Information For Class 9  .docx
Acetabularia Information For Class 9 .docx
vaibhavrinwa19
 
Biological Screening of Herbal Drugs in detailed.
Biological Screening of Herbal Drugs in detailed.Biological Screening of Herbal Drugs in detailed.
Biological Screening of Herbal Drugs in detailed.
Ashokrao Mane college of Pharmacy Peth-Vadgaon
 
The Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdfThe Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdf
kaushalkr1407
 
The Accursed House by Émile Gaboriau.pptx
The Accursed House by Émile Gaboriau.pptxThe Accursed House by Émile Gaboriau.pptx
The Accursed House by Émile Gaboriau.pptx
DhatriParmar
 
Synthetic Fiber Construction in lab .pptx
Synthetic Fiber Construction in lab .pptxSynthetic Fiber Construction in lab .pptx
Synthetic Fiber Construction in lab .pptx
Pavel ( NSTU)
 

Recently uploaded (20)

Chapter 3 - Islamic Banking Products and Services.pptx
Chapter 3 - Islamic Banking Products and Services.pptxChapter 3 - Islamic Banking Products and Services.pptx
Chapter 3 - Islamic Banking Products and Services.pptx
 
Model Attribute Check Company Auto Property
Model Attribute  Check Company Auto PropertyModel Attribute  Check Company Auto Property
Model Attribute Check Company Auto Property
 
The basics of sentences session 5pptx.pptx
The basics of sentences session 5pptx.pptxThe basics of sentences session 5pptx.pptx
The basics of sentences session 5pptx.pptx
 
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
 
The geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideasThe geography of Taylor Swift - some ideas
The geography of Taylor Swift - some ideas
 
Overview on Edible Vaccine: Pros & Cons with Mechanism
Overview on Edible Vaccine: Pros & Cons with MechanismOverview on Edible Vaccine: Pros & Cons with Mechanism
Overview on Edible Vaccine: Pros & Cons with Mechanism
 
Guidance_and_Counselling.pdf B.Ed. 4th Semester
Guidance_and_Counselling.pdf B.Ed. 4th SemesterGuidance_and_Counselling.pdf B.Ed. 4th Semester
Guidance_and_Counselling.pdf B.Ed. 4th Semester
 
Lapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdfLapbook sobre os Regimes Totalitários.pdf
Lapbook sobre os Regimes Totalitários.pdf
 
Instructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptxInstructions for Submissions thorugh G- Classroom.pptx
Instructions for Submissions thorugh G- Classroom.pptx
 
special B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdfspecial B.ed 2nd year old paper_20240531.pdf
special B.ed 2nd year old paper_20240531.pdf
 
Home assignment II on Spectroscopy 2024 Answers.pdf
Home assignment II on Spectroscopy 2024 Answers.pdfHome assignment II on Spectroscopy 2024 Answers.pdf
Home assignment II on Spectroscopy 2024 Answers.pdf
 
Palestine last event orientationfvgnh .pptx
Palestine last event orientationfvgnh .pptxPalestine last event orientationfvgnh .pptx
Palestine last event orientationfvgnh .pptx
 
Sha'Carri Richardson Presentation 202345
Sha'Carri Richardson Presentation 202345Sha'Carri Richardson Presentation 202345
Sha'Carri Richardson Presentation 202345
 
TESDA TM1 REVIEWER FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...
TESDA TM1 REVIEWER  FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...TESDA TM1 REVIEWER  FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...
TESDA TM1 REVIEWER FOR NATIONAL ASSESSMENT WRITTEN AND ORAL QUESTIONS WITH A...
 
Operation Blue Star - Saka Neela Tara
Operation Blue Star   -  Saka Neela TaraOperation Blue Star   -  Saka Neela Tara
Operation Blue Star - Saka Neela Tara
 
Acetabularia Information For Class 9 .docx
Acetabularia Information For Class 9  .docxAcetabularia Information For Class 9  .docx
Acetabularia Information For Class 9 .docx
 
Biological Screening of Herbal Drugs in detailed.
Biological Screening of Herbal Drugs in detailed.Biological Screening of Herbal Drugs in detailed.
Biological Screening of Herbal Drugs in detailed.
 
The Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdfThe Roman Empire A Historical Colossus.pdf
The Roman Empire A Historical Colossus.pdf
 
The Accursed House by Émile Gaboriau.pptx
The Accursed House by Émile Gaboriau.pptxThe Accursed House by Émile Gaboriau.pptx
The Accursed House by Émile Gaboriau.pptx
 
Synthetic Fiber Construction in lab .pptx
Synthetic Fiber Construction in lab .pptxSynthetic Fiber Construction in lab .pptx
Synthetic Fiber Construction in lab .pptx
 

5.1 notes

  • 1. 5.1 LCM & Comparing Fractions November 17, 2011 Bellwork Write the prime factorization of each number. (factor tree) 1. 20 2. 621 3. Place the following numbers in order from  least to greatest: 4, 1/2, ­3, ­2/3, 1/4 Objective ­ find the least common multiple & compare fractions  HW pg. 235 #1­37 odds 1
  • 2. 5.1 LCM & Comparing Fractions November 17, 2011 A multiple of a number is the product of that number and any nonzero number. Multiples of 4:    Multiples of 6:  Today, both the baseball and soccer teams had games.   The baseball team plays every 6 days.  The soccer team plays every 5 days.   When will both teams have games on the same day again? HW pg. 235 #1­37 odds 2
  • 3. 5.1 LCM & Comparing Fractions November 17, 2011 Find the LCM of 12 and 40 HW pg. 235 #1­37 odds 3
  • 4. 5.1 LCM & Comparing Fractions November 17, 2011 Find the LCM. 6, 16 9, 15 12, 15, 18 HW pg. 235 #1­37 odds 4
  • 5. 5.1 LCM & Comparing Fractions November 17, 2011 Find the LCM 6a2, 18a3 HW pg. 235 #1­37 odds 5
  • 6. 5.1 LCM & Comparing Fractions November 17, 2011 Find the LCM 2 4 2 12x, 15xy 8m , 14m 25y , 15x HW pg. 235 #1­37 odds 6
  • 7. 5.1 LCM & Comparing Fractions November 17, 2011 When fractions have different denominators, rewrite the fractions  with a common denominator.  Then compare the numerators.   The math team won 5/8 of its competitions and the debate team won 7/10  of its competitions.  Which team won the greater fraction of competitions? Steps: 1. Find the LCM of 8 and 10 2. Write equivalent fractions with the new denominator. 3. Compare the fractions HW pg. 235 #1­37 odds 7
  • 8. 5.1 LCM & Comparing Fractions November 17, 2011 Compare the fractions in each pair.   6 ,  4 ­3 , ­7 7    5  4   10 HW pg. 235 #1­37 odds 8
  • 9. 5.1 LCM & Comparing Fractions November 17, 2011 Order 1/2, 3/4, and 2/5 from least to greatest.  Change to LCD first.  HW pg. 235 #1­37 odds 9
  • 10. 5.1 LCM & Comparing Fractions November 17, 2011 HW pg. 235 # 1 ­ 37 odds HW pg. 235 #1­37 odds 10