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Yoon

Rated 4.89 out of 5, based on 210 reviews
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Singapore, Singapore
About the store
I have more than 20 years of experience in teaching Math from K-12. I have taught in both public schools and independent school. I started as a school math teacher; was later appointed as a Head of Math Department and a Vice Principal. As a school leader, I supervised trainee teachers, conducted workshops on primary math for parents to help them guide their children at home. I also trained pre-school educators in quality assurance using a quality rating scale. While I was serving as the Head of Math Department in one of the secondary schools, the school achieved a record of 97% distinction in the GCE ‘O’ level Math (Grade 10 equivalent) exams across the board.
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Preview of Singapore Math Word Problem - Grade 4 Which four operations to use

Singapore Math Word Problem - Grade 4 Which four operations to use

Created by
Yoon
Lesson Objective: To determine if the word problem is asking to add, subtract, multiply or divide Topic: Four Operations Level: Grade 4, 5 This lesson plan is to design to help students how to determine when to use add, subtract, multiply or divide. In each word problem, the key word/s that decide which operation/s to use are clearly marked out. This is suitable for students who cannot tell which operation to apply. This work by Yoon is licensed under a Creative Commons Attribution-NonComme
Preview of Word Problem Made Easy - Model Method (Singapore Math)

Word Problem Made Easy - Model Method (Singapore Math)

Created by
Yoon
Lesson Objective: To use Model method (Singapore) to solve word problems Topic: Four operations on Whole Numbers Difficulty Level: 1 Level: Grade 5, 6 and 7 This lesson plan is written to teach word problems on whole numbers using the Model Method. The Model Method for solving word problems are widely taught in primary schools in Singapore. By drawing a clear simple diagram, the word problem immediately becomes visual and less complicated than it sounds. This lesson plan is designed for abo
Preview of Word Problems Grade 4 & 5 Fraction - Model Method

Word Problems Grade 4 & 5 Fraction - Model Method

Created by
Yoon
Lesson Plan: Using Model Method to solve Word Problems involving fractions Topic: Fraction – Addition and Subtraction 1 Level: Grade 4 and 5 Using the traditional method to solve problems involving fractions can be abstract to the children. The Model Method is a good tool to solve word problems involving fractions. It helps your students to visualize with concrete objects using simple diagrams. This lesson plan guides teachers through drawing models in 2 to 3 simple steps. To reinforce learning
Preview of Math Word Problem Model Method - Grade 5 and 6 Basic Concept of Ratio

Math Word Problem Model Method - Grade 5 and 6 Basic Concept of Ratio

Created by
Yoon
Lesson Objective: Introducing basic concept of Ratio in the simplest form by using Model Method Topic: Ratio, Equivalent ratios Difficulty Level: 1 Level: Grade 5 Using the traditional method to teach Ratio and the basic concept of Ratio can be abstract to the students. The Model Method is a good tool to help your students visualize with concrete objects using simple diagrams. Teachers could introduce this to your kids' parents who are interested in helping their children at home. This is suita
Preview of Model Method - Practice - Concept of Fraction for Grade 3, 4 and 5

Model Method - Practice - Concept of Fraction for Grade 3, 4 and 5

Created by
Yoon
Lesson Objective: To use Model Method to illustrate the Concept of Fraction Topic: Fraction – Part-Whole Concept Level: Grade 3,4 and 5 This lesson plan is to introduce the Concept of fraction using the Model Method. The Part-Whole Model clearly illustrates the concept of fraction. With this as the foundation, it will help your students to visualize the word problems with simple diagrams. This lesson plan makes learning of fraction painless. To reinforce learning, the worksheet follows close
Preview of Math Word Problem Model Method - Grade 4 Four operations of Decimals

Math Word Problem Model Method - Grade 4 Four operations of Decimals

Created by
Yoon
Lesson Objective: Using Model Method to solve problems on Decimals Topic: Four Operation of Decimals Grade Level: 4 and 5 This lesson plan is to be used to teach word problems using four operation of decimals. Teacher will start with Example 1 and demonstrate the solution step-by-step using Model drawing. Then the students will reinforce learning by doing the Practice problem. Teacher then goes on to Example 2, students will do practice 2 and so on. There are a total of 3 Examples follow by 3
Preview of Math Word Problem Model Method - Grade 4 Decimals

Math Word Problem Model Method - Grade 4 Decimals

Created by
Yoon
Lesson Objective: To solve word problem involving decimals Topic: Decimals and money Grade Level: 4 and 5 There are 3 word problem examples showing step by step the solution to each of the problem. There are also 3 practice problems after each example. The practice problem followed closely to the example given. Teacher can use the example to teach and the practice problem as a follow up to check whether learning has taken place. This work by Yoon is licensed under a Creative Commons Attribut
Preview of Word Problem Model Method - Multiplication by Fractions Grade 4 and 5

Word Problem Model Method - Multiplication by Fractions Grade 4 and 5

Created by
Yoon
This is a continuation of the lesson on Fractions.This worksheet is a practice on multiplication of numbers by fractions. There are 10 word problems. The solutions are very visual. Teachers can use the solution guide to the word problems as lesson plan. You can also use it as an assessment. The word problems marked with a star means the problem sums require more than 2 steps to solve. They can be used for testing the students' understanding of the topic. Parents can use this worksheet to monit
Preview of Math Word Problem Model Method - Grade 5 Ratio

Math Word Problem Model Method - Grade 5 Ratio

Created by
Yoon
Lesson Objective: Using Model Method to solving word problems on Ratio Topic: Ratio, Equivalent ratios Difficulty Level: 2 Level: Grade 5 This lesson plan includes Equivalent ratios, expressing ratios in the simplest terms and word problems using the Model Method. The Model Method is a good tool to help your students visualize with concrete objects using simple diagrams. Teachers could introduce this to your kids' parents who are interested in helping their children at home. This is suitable n
Preview of Math Word Problem Model Method - Decimals for Grade 4 and 5

Math Word Problem Model Method - Decimals for Grade 4 and 5

Created by
Yoon
This worksheet comprises 12 multiple choice questions on decimals. This can be used as practice or assessment. Details solution is included. It is suitable for parents who are coaching their children at home.This work by Yoon is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
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About the store

Experience

I have more than 20 years of experience in teaching Math from K-12. I have taught in both public schools and independent school. I started as a school math teacher; was later appointed as a Head of Math Department and a Vice Principal. As a school leader, I supervised trainee teachers, conducted workshops on primary math for parents to help them guide their children at home. I also trained pre-school educators in quality assurance using a quality rating scale. While I was serving as the Head of Math Department in one of the secondary schools, the school achieved a record of 97% distinction in the GCE ‘O’ level Math (Grade 10 equivalent) exams across the board.

Teaching style

Singapore's achievement in math is once again proven in the Programme for International Student Assessment (PISA) 2012 results, as well as in Trends in International Mathematics and Science Study (TIMSS). Our success in math is mainly due to the unique method of teaching math in schools. The children start learning numeracy in preschool by using concrete objects. A word problem can be made easy by using model method, that is developed by Singapore. This is commonly known as the Singapore Math. By using concrete objects, a complex problem can be made simple for the children. With the Singapore math model method, you can turn your students to become Math achievers too!

Awards & shining teacher moments

Outstanding Contribution Awards, National Day Awards and Long Service Awards

My own education history

Bachelor of Science, University of Singapore 1977 Diploma in Education 1978; Further Diploma in Education 1987; Master in Educational Management, University of Melbourne 2008.

Additional biographical information

Math Teacher - Junior College, Pre-university, Secondary School; Head of Math Department - Secondary Schools; Primary schools.