think! Mathematics is a series of textbooks that are based on various learning theories.
Designed in accordance with extensively-researched approaches used in Singapore, these books adopt a spiral design with the integration of the Concrete-Pictorial-Abstract (C-P-A) approach.
A three-part lesson structure of Anchor Task, Guided Practice and Independent Practice are adopted. ICT, concrete aids and manipulatives are incorporated. Students have opportunities to hone problem-solving skills and apply Mathematics in real-world contexts.
Combining the effectiveness of teaching pedagogies and innovative ideas, the content has been aligned to the Common Core State Standards.
think! Mathematics Textbook 5A
Book A
Chapter 1- Numbers to 10,000,000
Lesson 1
Reading and Writing Numbers to 10,000,000
Lesson 2
Reading and Writing Numbers to 10,000,000
Lesson 3
Comparing Numbers
Lesson 4
Comparing and Ordering Numbers
Lesson 5
Rounding Numbers
Chapter 2- Four Operations on Whole Numbers
Lesson 1
Using Mixed Operations
Lesson 2
Using Mixed Operations
Lesson 3
Multiplying by Powers of 10
Lesson 4
Multiplying 2-Digit Numbers
Lesson 5
Multiplying 2-Digit Numbers
Lesson 6
Multiplying 2-Digit Numbers
Lesson 7
Multiplying 2-Digit Numbers
Lesson 8
Multiplying 2-Digit Numbers
Lesson 9
Multiplying 2-Digit Numbers
Lesson 10
Multiplying 2-Digit Numbers
Lesson 11
Dividing by 2-Digit Numbers
Lesson 12
Dividing by 2-Digit Numbers
Lesson 13
Dividing by 2-Digit Numbers
Lesson 14
Dividing by 2-Digit Numbers
Lesson 15
Dividing by Powers of 10
Chapter 3- Addition and Subtraction of Fractions
Lesson 1
Adding Fractions
Lesson 2
Adding Fractions
Lesson 3
Adding Fractions
Lesson 4
Subtracting Fractions
Lesson 5
Subtracting Fractions
Lesson 6
Subtracting Fractions
Lesson 7
Adding and Subtracting Fractions
Lesson 8
Adding and Subtracting Fractions
Lesson 9
Adding and Subtracting Fractions
Lesson 10
Adding and Subtracting Fractions
Chapter 4- Multiplication and Division of Fractions
Lesson 1
Multiplying Fractions
Lesson 2
Multiplying Fractions
Lesson 3
Multiplying Fractions
Lesson 4
Multiplying Fractions
Lesson 5
Multiplying Fractions
Lesson 6
Dividing to Make Fractions
Lesson 7
Dividing Fractions by Whole Numbers
Lesson 8
Dividing Unit Fractions by Whole Numbers
Lesson 9
Dividing Whole Numbers by Unit Fractions
Chapter 5-Decimals
Lesson 1
Reading and Writing Thousandths
Lesson 2
Reading and Writing Thousandths
Lesson 3
Showing Numbers on Number Lines
Lesson 4
Comparing Decimals
Lesson 5
Comparing Decimals
Lesson 6
Comparing Decimals
Lesson 7
Rounding Decimals
Lesson 8
Rounding Decimals
Lesson 9
Rounding Decimals
Chapter 6-Four Operations on Decimals
Lesson 1
Adding and Subtracting Decimals
Lesson 2
Adding and Subtracting Decimals
Lesson 3
Adding and Subtracting Decimals
Lesson 4
Adding and Subtracting Decimals
Lesson 5
Multiplying Decimals
Lesson 6
Multiplying Decimals
Lesson 7
Multiplying Decimals
Lesson 8
Multiplying Decimals
Lesson 9
Multiplying a Decimal by a 2-Digit Whole Number
Lesson 10
Dividing Decimals
Lesson 11
Dividing Decimals
Lesson 12
Dividing Decimals
Lesson 13
Dividing a Decimal by a 2-Digit Whole Number
Lesson 14
Dividing Decimals
Lesson 15
Dividing a Decimal by a 2-Digit Whole Number
Chapter 7-Solving Word Problems
Lesson 1
Solving Word Problems
Lesson 2
Solving Word Problems
Lesson 3
Solving Word Problems
Lesson 4
Solving Word Problems
Lesson 5
Solving Word Problems
Lesson 6
Solving Word Problems
Lesson 7
Solving Word Problems
Book A- 70 Lessons