Essential Teacher's Resource Materials 4 includes:
 Digital Teacher Guide A & Teacher Guide B
 Digital Student Textbook A & Student Textbook B
 Digital Student Workbook A & Student Workbook B
This digital product requires annual renewal. Subscriptions are based on a school year and are active July 1, 2024 June 30, 2025.
think! Mathematics is a series of textbooks and workbooks written to meet the requirements of the national standards. In tandem with adapted approaches used in Singapore to develop critical thinking, as well as problemsolving and analytical skills, students can gain a strong foundation to achieve the highest possible level of mastery of mathematics.
This series adopts a 3part lesson structure and a spiral design within and across grade levels. The concretepictorialabstract (CPA) approach and the infusion of funfilled activities help develop students’ cognitive and metacognitive skills. Newtrend questions and openended questions are included throughout the series to encourage analytical and lateral thinking.
Product Details:
This product can only be purchased by accounts located within the United States.
Digital Teacher Resources are available for teachers who have purchased a classroom set of textbooks or workbooks for the current school year.
ISBN13  : 
Consultant  : Dr Yeap Ban Har 
Format  : Digital with Interactive Content 
Subscription  : Annual 
Platforms supported  : Windows, macOS, iOS, Android 
Table of ContentsNot Updated
Book A 

Chapter 1 Numbers to 1,000,000 

Lesson 1 
Reading and Writing Numbers to 100,000 
Lesson 2 
Reading and Writing Numbers to 1,000,000 
Lesson 3 
Comparing Numbers 
Lesson 4 
Comparing and Ordering Numbers 
Lesson 5 
Comparing Numbers 
Lesson 6 
Making Number Patterns 
Lesson 7 
Rounding Numbers 
Lesson 8 
Rounding Numbers 
Lesson 9 
Rounding Numbers 
Chapter 2 Addition and Subtraction within 1,000,000 

Lesson 1 
Simple Adding 
Lesson 2 
Adding with Regrouping 
Lesson 3 
Adding with Regrouping 
Lesson 4 
Simple Subtracting 
Lesson 5 
Subtracting with Regrouping 
Lesson 6 
Subtracting with Regrouping 
Chapter 3 Multiplication and Division 

Lesson 1 
Multiplying Multiples of 100 
Lesson 2 
Multiplying 3Digit Numbers 
Lesson 3 
Multiplying 3Digit Numbers 
Lesson 4 
Multiplying 4Digit Numbers 
Lesson 5 
Multiplying 4Digit Numbers 
Lesson 6 
Multiplying 4Digit Numbers 
Lesson 7 
Multiplying a 2Digit Number by a 2Digit Number 
Lesson 8 
Multiplying a 2Digit Number by a 2Digit Number 
Lesson 9 
Dividing by 10 and 100 
Lesson 10 
Dividing 3Digit Numbers 
Lesson 11 
Dividing 3Digit and 4Digit Numbers 
Lesson 12 
Dividing with Remainder 
Lesson 13 
Dividing with Remainder 
Lesson 14 
Finding Multiples 
Lesson 15 
Finding Factors 
Lesson 16 
Finding Prime Numbers 
Lesson 17 
Finding Prime Numbers 
Chapter 4 Word Problems and Mixed Operations 

Lesson 1 
Solving Word Problems 
Lesson 2 
Solving Word Problems 
Lesson 3 
Solving Word Problems 
Chapter 5Fractions 

Lesson 1 
Finding Equivalent Fractions 
Lesson 2 
Finding Equivalent Fractions 
Lesson 3 
Finding Equivalent Fractions 
Lesson 4 
Finding Equivalent Fractions 
Lesson 5 
Comparing Fractions 
Lesson 6 
Comparing Fractions 
Lesson 7 
Comparing and Ordering Fractions 
Lesson 8 
Writing Mixed Numbers 
Lesson 9 
Showing Mixed Numbers on a Number Line 
Lesson 10 
Writing Improper Fractions and Mixed Numbers 
Chapter 6Addition and Subtraction of Fractions 

Lesson 1 
Adding Fractions 
Lesson 2 
Adding Fractions 
Lesson 3 
Adding Fractions 
Lesson 4 
Adding Fractions 
Lesson 5 
Adding Fractions 
Lesson 6 
Adding Mixed Numbers 
Lesson 7 
Subtracting Fractions 
Lesson 8 
Subtracting Fractions 
Lesson 9 
Subtracting Fractions 
Lesson 10 
Subtracting Fractions 
Lesson 11 
Subtracting Mixed Numbers 
Lesson 12 
Subtracting Mixed Numbers 
Lesson 13 
Solving Word Problems 
Lesson 14 
Solving Word Problems 
Chapter 7Multiplication of Fractions 

Lesson 1 
Finding Fractions of a Number 
Lesson 2 
Finding Fractions of a Quantity 
Lesson 3 
Multiplying Fractions by Whole Numbers 
Lesson 4 
Multiplying Mixed Numbers by Whole Numbers 
Lesson 5 
Solving Word Problems 
Book A 64 Lessons 
Book B 

Chapter 8Decimals 

Lesson 1 
Reading and Writing Tenths 
Lesson 2 
Writing Hundredths 
Lesson 3 
Writing Fractions as Decimals 
Lesson 4 
Reading and Writing Tenths 
Lesson 5 
Reading and Writing Hundredths 
Lesson 6 
Comparing Decimals 
Lesson 7 
Comparing Decimals 
Lesson 8 
Comparing and Ordering Decimals 
Lesson 9 
Adding and Subtracting Decimals 
Chapter 9 Money 

Lesson 1 
Solving Problems 
Lesson 2 
Solving Word Problems 
Lesson 3 
Solving Problems 
Lesson 4 
Solving Word Problems 
Chapter 10Time 

Lesson 1 
Telling Time 
Lesson 2 
Measuring Time in Hours and Minutes 
Lesson 3 
Solving Problems Involving Hours and Minutes 
Lesson 4 
Measuring Time in Seconds 
Lesson 5 
Measuring Time in Seconds 
Lesson 6 
Solving Problems Involving Minutes and Seconds 
Lesson 7 
Changing Minutes to Seconds 
Lesson 8 
Changing Seconds to Minutes 
Lesson 9 
Solving Word Problems 
Lesson 10 
Solving Word Problems 
Chapter 11Length, Volume, and Mass 

Lesson 1 
Writing Length and Height in Meters and Centimeters 
Lesson 2 
Writing Height in Centimeters 
Lesson 3 
Writing Length in Meters 
Lesson 4 
Writing Length in Kilometers and Meters 
Lesson 5 
Writing Length and Height in Feet and Inches 
Lesson 6 
Solving Problems 
Lesson 7 
Measuring Mass in Kilograms 
Lesson 8 
Measuring Mass in Kilograms and Grams 
Lesson 9 
Measuring Mass in Pounds and Ounces 
Lesson 10 
Solving Problems 
Lesson 11 
Measuring Volume in Milliliters 
Lesson 12 
Measuring Volume in Milliliters 
Lesson 13 
Measuring Capacity in Milliliters 
Lesson 14 
Measuring Capacity in Milliliters and Liters 
Lesson 15 
Measuring Capacity in Milliliters and Liters 
Lesson 16 
Writing Capacity in Liters and Milliliters 
Lesson 17 
Measuring Volume in Cups, Pints, and Quarts 
Lesson 18 
Measuring Volume in Quarts and Gallons 
Lesson 19 
Solving Problems 
Chapter 12 Geometry 

Lesson 1 
Finding Right Angles 
Lesson 2 
Finding Right Angles 
Lesson 3 
Comparing Angles 
Lesson 4 
Measuring Angles 
Lesson 5 
Measuring and Comparing Angles 
Lesson 6 
Knowing Types of Angles 
Lesson 7 
Measuring Angles 
Lesson 8 
Investigating Angles and Straight Lines 
Lesson 9 
Investigating Angles at a Point 
Lesson 10 
Drawing Angles 
Lesson 11 
Drawing Angles and Lines 
Lesson 12 
Solving Problems 
Lesson 13 
Identifying Perpendicular Lines 
Lesson 14 
Identifying Parallel Lines 
Lesson 15 
Describing TwoDimensional Shapes 
Lesson 16 
Describing Squares and Rectangles 
Lesson 17 
Drawing Perpendicular and Parallel Lines 
Lesson 18 
Classifying Quadrilaterals 
Lesson 19 
Identifying Lines of Symmetry 
Lesson 20 
Identifying Symmetrical Figures 
Lesson 21 
Drawing Lines of Symmetry 
Chapter 13Perimeter and Area of Figures 

Lesson 1 
Measuring Perimeter 
Lesson 2 
Measuring Perimeter 
Lesson 3 
Measuring Perimeter 
Lesson 4 
Calculating Perimeter 
Lesson 5 
Calculating Perimeter 
Lesson 6 
Measuring Area 
Lesson 7 
Measuring Area 
Lesson 8 
Measuring Area 
Lesson 9 
Measuring Area 
Lesson 10 
Measuring Area 
Lesson 11 
Measuring Area 
Lesson 12 
Estimating Area 
Lesson 13 
Findign Area and Perimeter of Rectangles 
Chapter 14Data 

Lesson 1 
Drawing Line Plots 
Lesson 2 
Drawing Line Plots 
Lesson 3 
Solving Problems 
Book B 79 Lessons 

Grade 4 think!Mathematics 143 Lessons 
Essential Teacher's Resource Materials 4 includes:
 Digital Teacher Guide A & Teacher Guide B
 Digital Student Textbook A & Student Textbook B
 Digital Student Workbook A & Student Workbook B
This digital product requires annual renewal. Subscriptions are based on a school year and are active July 1, 2024 June 30, 2025.
think! Mathematics is a series of textbooks and workbooks written to meet the requirements of the national standards. In tandem with adapted approaches used in Singapore to develop critical thinking, as well as problemsolving and analytical skills, students can gain a strong foundation to achieve the highest possible level of mastery of mathematics.
This series adopts a 3part lesson structure and a spiral design within and across grade levels. The concretepictorialabstract (CPA) approach and the infusion of funfilled activities help develop students’ cognitive and metacognitive skills. Newtrend questions and openended questions are included throughout the series to encourage analytical and lateral thinking.
Product Details:
This product can only be purchased by accounts located within the United States.
Digital Teacher Resources are available for teachers who have purchased a classroom set of textbooks or workbooks for the current school year.
ISBN13  : 
Consultant  : Dr Yeap Ban Har 
Format  : Digital with Interactive Content 
Subscription  : Annual 
Platforms supported  : Windows, macOS, iOS, Android 
Table of ContentsNot Updated
Book A 

Chapter 1 Numbers to 1,000,000 

Lesson 1 
Reading and Writing Numbers to 100,000 
Lesson 2 
Reading and Writing Numbers to 1,000,000 
Lesson 3 
Comparing Numbers 
Lesson 4 
Comparing and Ordering Numbers 
Lesson 5 
Comparing Numbers 
Lesson 6 
Making Number Patterns 
Lesson 7 
Rounding Numbers 
Lesson 8 
Rounding Numbers 
Lesson 9 
Rounding Numbers 
Chapter 2 Addition and Subtraction within 1,000,000 

Lesson 1 
Simple Adding 
Lesson 2 
Adding with Regrouping 
Lesson 3 
Adding with Regrouping 
Lesson 4 
Simple Subtracting 
Lesson 5 
Subtracting with Regrouping 
Lesson 6 
Subtracting with Regrouping 
Chapter 3 Multiplication and Division 

Lesson 1 
Multiplying Multiples of 100 
Lesson 2 
Multiplying 3Digit Numbers 
Lesson 3 
Multiplying 3Digit Numbers 
Lesson 4 
Multiplying 4Digit Numbers 
Lesson 5 
Multiplying 4Digit Numbers 
Lesson 6 
Multiplying 4Digit Numbers 
Lesson 7 
Multiplying a 2Digit Number by a 2Digit Number 
Lesson 8 
Multiplying a 2Digit Number by a 2Digit Number 
Lesson 9 
Dividing by 10 and 100 
Lesson 10 
Dividing 3Digit Numbers 
Lesson 11 
Dividing 3Digit and 4Digit Numbers 
Lesson 12 
Dividing with Remainder 
Lesson 13 
Dividing with Remainder 
Lesson 14 
Finding Multiples 
Lesson 15 
Finding Factors 
Lesson 16 
Finding Prime Numbers 
Lesson 17 
Finding Prime Numbers 
Chapter 4 Word Problems and Mixed Operations 

Lesson 1 
Solving Word Problems 
Lesson 2 
Solving Word Problems 
Lesson 3 
Solving Word Problems 
Chapter 5Fractions 

Lesson 1 
Finding Equivalent Fractions 
Lesson 2 
Finding Equivalent Fractions 
Lesson 3 
Finding Equivalent Fractions 
Lesson 4 
Finding Equivalent Fractions 
Lesson 5 
Comparing Fractions 
Lesson 6 
Comparing Fractions 
Lesson 7 
Comparing and Ordering Fractions 
Lesson 8 
Writing Mixed Numbers 
Lesson 9 
Showing Mixed Numbers on a Number Line 
Lesson 10 
Writing Improper Fractions and Mixed Numbers 
Chapter 6Addition and Subtraction of Fractions 

Lesson 1 
Adding Fractions 
Lesson 2 
Adding Fractions 
Lesson 3 
Adding Fractions 
Lesson 4 
Adding Fractions 
Lesson 5 
Adding Fractions 
Lesson 6 
Adding Mixed Numbers 
Lesson 7 
Subtracting Fractions 
Lesson 8 
Subtracting Fractions 
Lesson 9 
Subtracting Fractions 
Lesson 10 
Subtracting Fractions 
Lesson 11 
Subtracting Mixed Numbers 
Lesson 12 
Subtracting Mixed Numbers 
Lesson 13 
Solving Word Problems 
Lesson 14 
Solving Word Problems 
Chapter 7Multiplication of Fractions 

Lesson 1 
Finding Fractions of a Number 
Lesson 2 
Finding Fractions of a Quantity 
Lesson 3 
Multiplying Fractions by Whole Numbers 
Lesson 4 
Multiplying Mixed Numbers by Whole Numbers 
Lesson 5 
Solving Word Problems 
Book A 64 Lessons 
Book B 

Chapter 8Decimals 

Lesson 1 
Reading and Writing Tenths 
Lesson 2 
Writing Hundredths 
Lesson 3 
Writing Fractions as Decimals 
Lesson 4 
Reading and Writing Tenths 
Lesson 5 
Reading and Writing Hundredths 
Lesson 6 
Comparing Decimals 
Lesson 7 
Comparing Decimals 
Lesson 8 
Comparing and Ordering Decimals 
Lesson 9 
Adding and Subtracting Decimals 
Chapter 9 Money 

Lesson 1 
Solving Problems 
Lesson 2 
Solving Word Problems 
Lesson 3 
Solving Problems 
Lesson 4 
Solving Word Problems 
Chapter 10Time 

Lesson 1 
Telling Time 
Lesson 2 
Measuring Time in Hours and Minutes 
Lesson 3 
Solving Problems Involving Hours and Minutes 
Lesson 4 
Measuring Time in Seconds 
Lesson 5 
Measuring Time in Seconds 
Lesson 6 
Solving Problems Involving Minutes and Seconds 
Lesson 7 
Changing Minutes to Seconds 
Lesson 8 
Changing Seconds to Minutes 
Lesson 9 
Solving Word Problems 
Lesson 10 
Solving Word Problems 
Chapter 11Length, Volume, and Mass 

Lesson 1 
Writing Length and Height in Meters and Centimeters 
Lesson 2 
Writing Height in Centimeters 
Lesson 3 
Writing Length in Meters 
Lesson 4 
Writing Length in Kilometers and Meters 
Lesson 5 
Writing Length and Height in Feet and Inches 
Lesson 6 
Solving Problems 
Lesson 7 
Measuring Mass in Kilograms 
Lesson 8 
Measuring Mass in Kilograms and Grams 
Lesson 9 
Measuring Mass in Pounds and Ounces 
Lesson 10 
Solving Problems 
Lesson 11 
Measuring Volume in Milliliters 
Lesson 12 
Measuring Volume in Milliliters 
Lesson 13 
Measuring Capacity in Milliliters 
Lesson 14 
Measuring Capacity in Milliliters and Liters 
Lesson 15 
Measuring Capacity in Milliliters and Liters 
Lesson 16 
Writing Capacity in Liters and Milliliters 
Lesson 17 
Measuring Volume in Cups, Pints, and Quarts 
Lesson 18 
Measuring Volume in Quarts and Gallons 
Lesson 19 
Solving Problems 
Chapter 12 Geometry 

Lesson 1 
Finding Right Angles 
Lesson 2 
Finding Right Angles 
Lesson 3 
Comparing Angles 
Lesson 4 
Measuring Angles 
Lesson 5 
Measuring and Comparing Angles 
Lesson 6 
Knowing Types of Angles 
Lesson 7 
Measuring Angles 
Lesson 8 
Investigating Angles and Straight Lines 
Lesson 9 
Investigating Angles at a Point 
Lesson 10 
Drawing Angles 
Lesson 11 
Drawing Angles and Lines 
Lesson 12 
Solving Problems 
Lesson 13 
Identifying Perpendicular Lines 
Lesson 14 
Identifying Parallel Lines 
Lesson 15 
Describing TwoDimensional Shapes 
Lesson 16 
Describing Squares and Rectangles 
Lesson 17 
Drawing Perpendicular and Parallel Lines 
Lesson 18 
Classifying Quadrilaterals 
Lesson 19 
Identifying Lines of Symmetry 
Lesson 20 
Identifying Symmetrical Figures 
Lesson 21 
Drawing Lines of Symmetry 
Chapter 13Perimeter and Area of Figures 

Lesson 1 
Measuring Perimeter 
Lesson 2 
Measuring Perimeter 
Lesson 3 
Measuring Perimeter 
Lesson 4 
Calculating Perimeter 
Lesson 5 
Calculating Perimeter 
Lesson 6 
Measuring Area 
Lesson 7 
Measuring Area 
Lesson 8 
Measuring Area 
Lesson 9 
Measuring Area 
Lesson 10 
Measuring Area 
Lesson 11 
Measuring Area 
Lesson 12 
Estimating Area 
Lesson 13 
Findign Area and Perimeter of Rectangles 
Chapter 14Data 

Lesson 1 
Drawing Line Plots 
Lesson 2 
Drawing Line Plots 
Lesson 3 
Solving Problems 
Book B 79 Lessons 

Grade 4 think!Mathematics 143 Lessons 