SlideShare una empresa de Scribd logo
1 de 43
MahasarakhamRajabhat University Transforming The Mathematics Classroom Dr Yeap Ban Har Principal Marshall Cavendish Institute Singapore Director for Curriculum & Professional Development Pathlight School Singapore 12 – 13 August 2010 Princess Elizabeth Primary School CHIJ Our Lady of Good Counsel Day 1 Catholic High School (Primary) Keys Grade School, Manila
Beliefs Interest Appreciation Confidence Perseverance Monitoring of one’s own thinking Self-regulation of learning Attitudes Metacognition Numerical calculation Algebraic manipulation Spatial visualization Data analysis Measurement Use of mathematical tools Estimation Mathematical Problem Solving Reasoning, communication & connections Thinking skills & heuristics Application & modelling Skills Processes Concepts Numerical Algebraic Geometrical Statistical Probabilistic Analytical Mathematics Curriculum Framework
Mathematics Problems in Singapore Primary 6 National Test
Problem John had 1.5 m of copper wire. He cut some of the wire to bend into the shape shown in the figure below. In the figure, there are 6 equilateral triangles and the length of XY is 19 cm.  How much of the copper wire was left?
Problem John had 1.5 m of copper wire. He cut some of the wire to bend into the shape shown in the figure below. In the figure, there are 6 equilateral triangles and the length of XY is 19 cm.  How much of the copper wire was left? 150 cm  – 19 cm x 5   = 150 cm  – 95 cm = 55 cm    55 cm of the copper wire was left.
Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ.  Find MPN.
Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ.  Find MPN.
Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ.  Find MPN.
Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ.  Find MPN.
Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ.  Find MPN.
Why Teach Mathematics Mathematics is an “excellent vehicle to develop and improve a person’s intellectual competence”. Ministry of Education, Singapore 2006
Problem Mrs Hoon made some cookies to sell.  3/4 of them were chocolate cookies and the rest were almond cookies. After selling 210 almond cookies and 5/6  of the chocolate cookies, she had 1/5 of the cookies left. How many cookies did Mrs Hoon sell? 210
Jerome Bruner 210 Pictorial Representation Symbolic Representation
Problem Jim bought some chocolates and gave half of them to Ken. Ken bought some sweets and gave half of them to Jim.  Jim ate 12 sweets and Ken ate 18 chocolates. After that, the number of sweets and chocolates Jim had were in the ratio 1 : 7 and the number of sweets and chocolates Ken had were in the ratio 1 : 4.  How many sweets did Ken buy?
Problem Jim bought some chocolates and gave half of them to Ken. Ken bought some sweets and gave half of them to Jim.  Jim ate 12 sweets and Ken ate 18 chocolates. After that, the number of sweets and chocolates Jim had were in the ratio 1 : 7 and the number of sweets and chocolates Ken had were in the ratio 1 : 4.  How many sweets did Ken buy? Chocolates Sweets Jim 12 Ken 12 18 12 12 12
Bar Model Methodin Singapore Textbooks
My Pals Are Here Mathematics
My Pals Are Here Mathematics
My Pals Are Here Mathematics
My Pals Are Here Mathematics
My Pals Are Here Mathematics
My Pals Are Here Mathematics
My Pals Are Here Mathematics
Lessons toDevelop New Concepts
Teaching Place Value Activity Combine your sets of digit cards. Shuffle the cards. Take turns to draw one card at a time. Place the card on your place value chart.  Once you have placed the card in a position, you cannot change its position anymore. The winner is the one who makes the greatest number.
Place Value Key Concept: The value of digits depends on its place or position.
Teaching Division Keys Grade School, Manila
Teaching Division Keys Grade School, Manila
Lessons to Practise Skills
Practising Multiplication My number is 2! The product is 12. National Institute of Education
Practising Multiplication Use one set of the digit cards to fill in the five spaces. Make a correct multiplication sentence where a two-digit number multiplied by a 1-digit number gives a 2-digit product. Make as many multiplication sentences as you can. Are the products odd or even? x
Practicing Subtraction Activity 4 Think of a number larger than 10 000 but smaller than 10 million. Jumble its digits up to make another number. Find their difference. Write the difference on a piece of paper. Circle one digit. Add up the rest of the digits. Tell me the sum of the rest of the digits and I will tell you the digit you circled. Example 72 167 27 671 72 167 – 27 671 = 44 496 44 496 4 + 4 + 4 + 6 = 18 Tell me 18.
Lessons forProblem Solving
Problem Solving
Problem Solving Scarsdale School District, New York, USA Arrange cards numbered 1 to 10 so that the trick shown by the instructor can be done.
Teachers solved the problems in different ways. Scarsdale School District, New York, USA
Scarsdale School District, New York, USA The above is the solution. What if the cards used are numbered 1 to 9? 1 to 8? 1 to 7? 1 to 6? 1 to 5? 1 to 4?
Conceptual Understanding
Conceptual Understanding of Division of Whole Number by a Fraction
Conceptual Understanding of Multiplication of Fractions
Day 1
Mahasarakham Rajabhat University Day 1
Mahasarakham Rajabhat University Day 1

Más contenido relacionado

La actualidad más candente

Math Plus Kansas City
Math Plus Kansas CityMath Plus Kansas City
Math Plus Kansas City
Jimmy Keng
 
Early childhood mathematics and development
Early childhood mathematics and developmentEarly childhood mathematics and development
Early childhood mathematics and development
farah1985
 

La actualidad más candente (18)

Math Plus Kansas City
Math Plus Kansas CityMath Plus Kansas City
Math Plus Kansas City
 
Blake Grade 6
Blake Grade 6Blake Grade 6
Blake Grade 6
 
Probsolvwebquest
ProbsolvwebquestProbsolvwebquest
Probsolvwebquest
 
2010 PSLE Mathematics Seminar for Parents
2010 PSLE Mathematics Seminar for Parents2010 PSLE Mathematics Seminar for Parents
2010 PSLE Mathematics Seminar for Parents
 
Programed instructional material: Percentage and it's applications
Programed instructional material: Percentage and it's applicationsProgramed instructional material: Percentage and it's applications
Programed instructional material: Percentage and it's applications
 
Maths workshop y2
Maths workshop y2Maths workshop y2
Maths workshop y2
 
Henry Park PSLE Seminar for Parents
Henry Park PSLE Seminar for ParentsHenry Park PSLE Seminar for Parents
Henry Park PSLE Seminar for Parents
 
Representing decimals
Representing decimalsRepresenting decimals
Representing decimals
 
Numeracy Oct 23 -Denise Flick
Numeracy Oct 23 -Denise FlickNumeracy Oct 23 -Denise Flick
Numeracy Oct 23 -Denise Flick
 
2-Digit to 2-Digit Addition + Place Value Concept
2-Digit to 2-Digit Addition + Place Value Concept2-Digit to 2-Digit Addition + Place Value Concept
2-Digit to 2-Digit Addition + Place Value Concept
 
WIU Math Conference
WIU Math ConferenceWIU Math Conference
WIU Math Conference
 
Spots for M.A.T.H. Profession​al Development​ Events
Spots for M.A.T.H. Profession​al Development​ Events Spots for M.A.T.H. Profession​al Development​ Events
Spots for M.A.T.H. Profession​al Development​ Events
 
Singapore math @ sheraton
Singapore math @ sheratonSingapore math @ sheraton
Singapore math @ sheraton
 
Innovative math
Innovative mathInnovative math
Innovative math
 
Mentari Upper Primary Number Sense
Mentari Upper Primary Number SenseMentari Upper Primary Number Sense
Mentari Upper Primary Number Sense
 
Early childhood mathematics and development
Early childhood mathematics and developmentEarly childhood mathematics and development
Early childhood mathematics and development
 
Nsw 2011 final amc
Nsw 2011 final amcNsw 2011 final amc
Nsw 2011 final amc
 
Solves Multi- step Routine and Non-routine Problems involving Division and an...
Solves Multi- step Routine and Non-routine Problems involving Division and an...Solves Multi- step Routine and Non-routine Problems involving Division and an...
Solves Multi- step Routine and Non-routine Problems involving Division and an...
 

Similar a Mahasarakham Rajabhat University Day 1

DLL_ALL SUBJECTS GRADE 6_Q1_W5.docx
DLL_ALL SUBJECTS GRADE 6_Q1_W5.docxDLL_ALL SUBJECTS GRADE 6_Q1_W5.docx
DLL_ALL SUBJECTS GRADE 6_Q1_W5.docx
IanBatocabe1
 
Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...
Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...
Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...
JONASSIBAL
 

Similar a Mahasarakham Rajabhat University Day 1 (20)

International School Saigon Pearl
International School Saigon PearlInternational School Saigon Pearl
International School Saigon Pearl
 
Seminar at Harvard Graduate School of Education 15 April 2010
Seminar at Harvard Graduate School of Education 15 April 2010Seminar at Harvard Graduate School of Education 15 April 2010
Seminar at Harvard Graduate School of Education 15 April 2010
 
STI Course A Closer Look at Singapore Math by Yeap Ban Har
STI Course A Closer Look at Singapore Math by Yeap Ban HarSTI Course A Closer Look at Singapore Math by Yeap Ban Har
STI Course A Closer Look at Singapore Math by Yeap Ban Har
 
Professional Development Session for Teachers in California by singaporemath....
Professional Development Session for Teachers in California by singaporemath....Professional Development Session for Teachers in California by singaporemath....
Professional Development Session for Teachers in California by singaporemath....
 
Professional Development for Californian Teaching Teaching Singapore Math
Professional Development for Californian Teaching Teaching Singapore MathProfessional Development for Californian Teaching Teaching Singapore Math
Professional Development for Californian Teaching Teaching Singapore Math
 
Unit 7 jcs md
Unit 7 jcs mdUnit 7 jcs md
Unit 7 jcs md
 
Rotterdam Day 1
Rotterdam Day 1Rotterdam Day 1
Rotterdam Day 1
 
How to Ace PSLE Maths
How to Ace PSLE MathsHow to Ace PSLE Maths
How to Ace PSLE Maths
 
(7) Lesson 6.6
(7) Lesson 6.6(7) Lesson 6.6
(7) Lesson 6.6
 
Chile MOE Seminar English
Chile MOE Seminar EnglishChile MOE Seminar English
Chile MOE Seminar English
 
Oak Lawn Beyond the Basics 01
Oak Lawn Beyond the Basics 01Oak Lawn Beyond the Basics 01
Oak Lawn Beyond the Basics 01
 
Rotterdam Day 2
Rotterdam Day 2Rotterdam Day 2
Rotterdam Day 2
 
Better mathematics workshop pack spring 2015: secondary
Better mathematics workshop pack spring 2015: secondaryBetter mathematics workshop pack spring 2015: secondary
Better mathematics workshop pack spring 2015: secondary
 
Candymath
CandymathCandymath
Candymath
 
DLL_ALL SUBJECTS GRADE 6_Q1_W5.docx
DLL_ALL SUBJECTS GRADE 6_Q1_W5.docxDLL_ALL SUBJECTS GRADE 6_Q1_W5.docx
DLL_ALL SUBJECTS GRADE 6_Q1_W5.docx
 
Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...
Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...
Newly-EDITED-DLP-FINAL-DEMO-Quarter-4-Module_1_Measures-of-Central-Tendency-o...
 
Learning Math at Pawar Public School Pre-primary section, Kandivali, Mumbai
Learning Math at Pawar Public School Pre-primary section, Kandivali, MumbaiLearning Math at Pawar Public School Pre-primary section, Kandivali, Mumbai
Learning Math at Pawar Public School Pre-primary section, Kandivali, Mumbai
 
CO Quadratic Inequalties.pptx
CO Quadratic Inequalties.pptxCO Quadratic Inequalties.pptx
CO Quadratic Inequalties.pptx
 
Better mathematics workshop pack spring 2015: primary
Better mathematics workshop pack spring 2015: primaryBetter mathematics workshop pack spring 2015: primary
Better mathematics workshop pack spring 2015: primary
 
Maths evening 2018
Maths evening 2018Maths evening 2018
Maths evening 2018
 

Más de Jimmy Keng (20)

Three-Day Course Day 1
Three-Day Course Day 1Three-Day Course Day 1
Three-Day Course Day 1
 
Maths Hub June 2015 Day 1 and Day 2
Maths Hub June 2015 Day 1 and Day 2Maths Hub June 2015 Day 1 and Day 2
Maths Hub June 2015 Day 1 and Day 2
 
Maths Hub Day 1
Maths Hub Day 1Maths Hub Day 1
Maths Hub Day 1
 
TIMSS Selected
TIMSS SelectedTIMSS Selected
TIMSS Selected
 
Primary Mathematics Fractions
Primary Mathematics FractionsPrimary Mathematics Fractions
Primary Mathematics Fractions
 
Blake School Presentation Grade 1
Blake School Presentation Grade 1Blake School Presentation Grade 1
Blake School Presentation Grade 1
 
PCN Word Problems
PCN Word ProblemsPCN Word Problems
PCN Word Problems
 
Blake Grade 4
Blake Grade 4Blake Grade 4
Blake Grade 4
 
Blake Grade 3
Blake Grade 3Blake Grade 3
Blake Grade 3
 
Blake Grade 2
Blake Grade 2Blake Grade 2
Blake Grade 2
 
Blake Grade 1
Blake Grade 1Blake Grade 1
Blake Grade 1
 
2104 WSU Cutouts
2104 WSU Cutouts2104 WSU Cutouts
2104 WSU Cutouts
 
2014 WSU Handouts
2014 WSU Handouts2014 WSU Handouts
2014 WSU Handouts
 
2014 WSU Day 2
2014 WSU Day 22014 WSU Day 2
2014 WSU Day 2
 
2014 WSU Day 1 Slides
2014 WSU Day 1 Slides2014 WSU Day 1 Slides
2014 WSU Day 1 Slides
 
Se01 abc's of singapore math through whole numbers
Se01 abc's of singapore math through whole numbersSe01 abc's of singapore math through whole numbers
Se01 abc's of singapore math through whole numbers
 
Sd09 visualization
Sd09 visualizationSd09 visualization
Sd09 visualization
 
Sd02 challenge me
Sd02 challenge meSd02 challenge me
Sd02 challenge me
 
Sc02 fraction problems
Sc02 fraction problemsSc02 fraction problems
Sc02 fraction problems
 
2014 K-2 M4thodology Day 1
2014 K-2 M4thodology Day 12014 K-2 M4thodology Day 1
2014 K-2 M4thodology Day 1
 

Último

Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in DelhiRussian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
kauryashika82
 
Activity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdfActivity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdf
ciinovamais
 
Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...
Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...
Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...
ZurliaSoop
 

Último (20)

Making communications land - Are they received and understood as intended? we...
Making communications land - Are they received and understood as intended? we...Making communications land - Are they received and understood as intended? we...
Making communications land - Are they received and understood as intended? we...
 
Unit-IV; Professional Sales Representative (PSR).pptx
Unit-IV; Professional Sales Representative (PSR).pptxUnit-IV; Professional Sales Representative (PSR).pptx
Unit-IV; Professional Sales Representative (PSR).pptx
 
ComPTIA Overview | Comptia Security+ Book SY0-701
ComPTIA Overview | Comptia Security+ Book SY0-701ComPTIA Overview | Comptia Security+ Book SY0-701
ComPTIA Overview | Comptia Security+ Book SY0-701
 
ICT role in 21st century education and it's challenges.
ICT role in 21st century education and it's challenges.ICT role in 21st century education and it's challenges.
ICT role in 21st century education and it's challenges.
 
How to Manage Global Discount in Odoo 17 POS
How to Manage Global Discount in Odoo 17 POSHow to Manage Global Discount in Odoo 17 POS
How to Manage Global Discount in Odoo 17 POS
 
UGC NET Paper 1 Mathematical Reasoning & Aptitude.pdf
UGC NET Paper 1 Mathematical Reasoning & Aptitude.pdfUGC NET Paper 1 Mathematical Reasoning & Aptitude.pdf
UGC NET Paper 1 Mathematical Reasoning & Aptitude.pdf
 
Food safety_Challenges food safety laboratories_.pdf
Food safety_Challenges food safety laboratories_.pdfFood safety_Challenges food safety laboratories_.pdf
Food safety_Challenges food safety laboratories_.pdf
 
Dyslexia AI Workshop for Slideshare.pptx
Dyslexia AI Workshop for Slideshare.pptxDyslexia AI Workshop for Slideshare.pptx
Dyslexia AI Workshop for Slideshare.pptx
 
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in DelhiRussian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
 
On National Teacher Day, meet the 2024-25 Kenan Fellows
On National Teacher Day, meet the 2024-25 Kenan FellowsOn National Teacher Day, meet the 2024-25 Kenan Fellows
On National Teacher Day, meet the 2024-25 Kenan Fellows
 
Activity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdfActivity 01 - Artificial Culture (1).pdf
Activity 01 - Artificial Culture (1).pdf
 
How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17How to Give a Domain for a Field in Odoo 17
How to Give a Domain for a Field in Odoo 17
 
Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...
Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...
Jual Obat Aborsi Hongkong ( Asli No.1 ) 085657271886 Obat Penggugur Kandungan...
 
Grant Readiness 101 TechSoup and Remy Consulting
Grant Readiness 101 TechSoup and Remy ConsultingGrant Readiness 101 TechSoup and Remy Consulting
Grant Readiness 101 TechSoup and Remy Consulting
 
psychiatric nursing HISTORY COLLECTION .docx
psychiatric  nursing HISTORY  COLLECTION  .docxpsychiatric  nursing HISTORY  COLLECTION  .docx
psychiatric nursing HISTORY COLLECTION .docx
 
ICT Role in 21st Century Education & its Challenges.pptx
ICT Role in 21st Century Education & its Challenges.pptxICT Role in 21st Century Education & its Challenges.pptx
ICT Role in 21st Century Education & its Challenges.pptx
 
Key note speaker Neum_Admir Softic_ENG.pdf
Key note speaker Neum_Admir Softic_ENG.pdfKey note speaker Neum_Admir Softic_ENG.pdf
Key note speaker Neum_Admir Softic_ENG.pdf
 
This PowerPoint helps students to consider the concept of infinity.
This PowerPoint helps students to consider the concept of infinity.This PowerPoint helps students to consider the concept of infinity.
This PowerPoint helps students to consider the concept of infinity.
 
Introduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The BasicsIntroduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The Basics
 
Python Notes for mca i year students osmania university.docx
Python Notes for mca i year students osmania university.docxPython Notes for mca i year students osmania university.docx
Python Notes for mca i year students osmania university.docx
 

Mahasarakham Rajabhat University Day 1

  • 1. MahasarakhamRajabhat University Transforming The Mathematics Classroom Dr Yeap Ban Har Principal Marshall Cavendish Institute Singapore Director for Curriculum & Professional Development Pathlight School Singapore 12 – 13 August 2010 Princess Elizabeth Primary School CHIJ Our Lady of Good Counsel Day 1 Catholic High School (Primary) Keys Grade School, Manila
  • 2. Beliefs Interest Appreciation Confidence Perseverance Monitoring of one’s own thinking Self-regulation of learning Attitudes Metacognition Numerical calculation Algebraic manipulation Spatial visualization Data analysis Measurement Use of mathematical tools Estimation Mathematical Problem Solving Reasoning, communication & connections Thinking skills & heuristics Application & modelling Skills Processes Concepts Numerical Algebraic Geometrical Statistical Probabilistic Analytical Mathematics Curriculum Framework
  • 3. Mathematics Problems in Singapore Primary 6 National Test
  • 4. Problem John had 1.5 m of copper wire. He cut some of the wire to bend into the shape shown in the figure below. In the figure, there are 6 equilateral triangles and the length of XY is 19 cm. How much of the copper wire was left?
  • 5. Problem John had 1.5 m of copper wire. He cut some of the wire to bend into the shape shown in the figure below. In the figure, there are 6 equilateral triangles and the length of XY is 19 cm. How much of the copper wire was left? 150 cm – 19 cm x 5 = 150 cm – 95 cm = 55 cm 55 cm of the copper wire was left.
  • 6. Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ. Find MPN.
  • 7. Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ. Find MPN.
  • 8. Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ. Find MPN.
  • 9. Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ. Find MPN.
  • 10. Problem In the diagram below, ABCD is a square and QM = QP = QN. MN is parallel to AB and it is perpendicular to PQ. Find MPN.
  • 11. Why Teach Mathematics Mathematics is an “excellent vehicle to develop and improve a person’s intellectual competence”. Ministry of Education, Singapore 2006
  • 12. Problem Mrs Hoon made some cookies to sell. 3/4 of them were chocolate cookies and the rest were almond cookies. After selling 210 almond cookies and 5/6 of the chocolate cookies, she had 1/5 of the cookies left. How many cookies did Mrs Hoon sell? 210
  • 13. Jerome Bruner 210 Pictorial Representation Symbolic Representation
  • 14. Problem Jim bought some chocolates and gave half of them to Ken. Ken bought some sweets and gave half of them to Jim.  Jim ate 12 sweets and Ken ate 18 chocolates. After that, the number of sweets and chocolates Jim had were in the ratio 1 : 7 and the number of sweets and chocolates Ken had were in the ratio 1 : 4.  How many sweets did Ken buy?
  • 15. Problem Jim bought some chocolates and gave half of them to Ken. Ken bought some sweets and gave half of them to Jim.  Jim ate 12 sweets and Ken ate 18 chocolates. After that, the number of sweets and chocolates Jim had were in the ratio 1 : 7 and the number of sweets and chocolates Ken had were in the ratio 1 : 4.  How many sweets did Ken buy? Chocolates Sweets Jim 12 Ken 12 18 12 12 12
  • 16. Bar Model Methodin Singapore Textbooks
  • 17. My Pals Are Here Mathematics
  • 18. My Pals Are Here Mathematics
  • 19. My Pals Are Here Mathematics
  • 20. My Pals Are Here Mathematics
  • 21. My Pals Are Here Mathematics
  • 22. My Pals Are Here Mathematics
  • 23. My Pals Are Here Mathematics
  • 25. Teaching Place Value Activity Combine your sets of digit cards. Shuffle the cards. Take turns to draw one card at a time. Place the card on your place value chart. Once you have placed the card in a position, you cannot change its position anymore. The winner is the one who makes the greatest number.
  • 26. Place Value Key Concept: The value of digits depends on its place or position.
  • 27. Teaching Division Keys Grade School, Manila
  • 28. Teaching Division Keys Grade School, Manila
  • 30. Practising Multiplication My number is 2! The product is 12. National Institute of Education
  • 31. Practising Multiplication Use one set of the digit cards to fill in the five spaces. Make a correct multiplication sentence where a two-digit number multiplied by a 1-digit number gives a 2-digit product. Make as many multiplication sentences as you can. Are the products odd or even? x
  • 32. Practicing Subtraction Activity 4 Think of a number larger than 10 000 but smaller than 10 million. Jumble its digits up to make another number. Find their difference. Write the difference on a piece of paper. Circle one digit. Add up the rest of the digits. Tell me the sum of the rest of the digits and I will tell you the digit you circled. Example 72 167 27 671 72 167 – 27 671 = 44 496 44 496 4 + 4 + 4 + 6 = 18 Tell me 18.
  • 35. Problem Solving Scarsdale School District, New York, USA Arrange cards numbered 1 to 10 so that the trick shown by the instructor can be done.
  • 36. Teachers solved the problems in different ways. Scarsdale School District, New York, USA
  • 37. Scarsdale School District, New York, USA The above is the solution. What if the cards used are numbered 1 to 9? 1 to 8? 1 to 7? 1 to 6? 1 to 5? 1 to 4?
  • 39. Conceptual Understanding of Division of Whole Number by a Fraction
  • 40. Conceptual Understanding of Multiplication of Fractions
  • 41. Day 1