think! Mathematics Primary Singapore Edition Textbook 2A is a series of textbooks and workbooks written to meet the requirements for Singapore's latest curriculum. Written in accordance with extensively researched approaches used in Singapore, it adopts a spiral design with the integration of the concrete-pictorial-abstract (C-P-A) approach, careful variation and the use of problem solving, which are integral features of the learning process.

Based on time-tested learning theories, this series incorporates the use of concrete manipulatives and group work. In think! mathematics Singapore Edition, these features are exemplified throughout the series.

Contents

Chapter One Number to 1000

Lesson 1 - Counting in Hundreds to 1000

Lesson 2 to 3 - Counting in Huddreds, Tens and Ones

Lesson 4 to 5 - Counting & Arranging Numbers

Lesson 6 - Making Number Patterns

Chapter Two Addition & Subtraction Within 1000

Lesson 1 - Adding & Subtracting Without Renaming

Lesson 2 to 4 - Adding Without Renaming

Lesson 5 to 7 - Subtracting Without Renaming

Lesson 8 to 11 - Adding With Renaming

Lesson 12 to 16 - Subtracting With Renaming