Description: FACTO (Free Active Creative Thinking O. Junior Mathtian) — Facto is a junior mathematician who thinks freely, confidently, and creatively. Designed as a creative-thinking math exploration series for advanced learners, this set organizes the core principles and strategies needed for mathematical problem-solving by preschool and early elementary children into thematic units, helping them build strong thinking skills. Creative Thinking Kids Math Facto Kids Basic A Creative Thinking Kids Math Facto Kids Basic B Creative Thinking Kids Math Facto Kids Basic C Creative Thinking Kids Math Facto Kids Applied A Creative Thinking Kids Math Facto Kids Applied B Creative Thinking Kids Math Facto Kids Applied C [1] Creative Thinking Kids Math Facto Kids Basic A — Mathtian R&D Center / Mathtian FACTO (Free Active Creative Thinking O. Junior Mathtian) — Facto is a junior mathematician who thinks freely, confidently, and creatively. This book is a creative-thinking math exploration series for advanced learners, organizing the core principles and strategies needed for mathematical problem-solving by preschool and early elementary children into thematic units to help build thinking skills. I. Numbers: 1. Counting 2. Representing Numbers 3. Number Characteristics and Number Charts 4. Comparing Number Size II. Puzzles: 1. Path-Finding Puzzles 2. Number Placement Puzzles 3. Number Connecting Puzzles 4. Division Puzzles III. Measurement: 1. Comparing Length 2. Comparing Weight 3. Comparing Area 4. Comparing Volume [2] Creative Thinking Kids Math Facto Kids Basic B — Mathtian R&D Center / Mathtian FACTO (Free Active Creative Thinking O. Junior Mathtian) — Facto is a junior mathematician who thinks freely, confidently, and creatively. This book is a creative-thinking math exploration series for advanced learners, organizing the core principles and strategies needed for mathematical problem-solving by preschool and early elementary children into thematic units to help build thinking skills. I. Patterns: 1. Various Patterns 2. Finding Common Features 3. Arrangement Patterns 4. Relationship Patterns II. Geometry: 1. Same Shapes 2. Completing Shapes 3. Symmetrical Shapes and Mirror Images 4. Shape Puzzles III. Problem-Solving Skills: 1. Understanding the Problem 2. Trying It Yourself 3. Making a Table 4. Finding a Path [3] Creative Thinking Kids Math Facto Kids Basic C — Mathtian R&D Center / Mathtian FACTO (Free Active Creative Thinking O. Junior Mathtian) — Facto is a junior mathematician who thinks freely, confidently, and creatively. This book is a creative-thinking math exploration series for advanced learners, organizing the core principles and strategies needed for mathematical problem-solving by preschool and early elementary children into thematic units to help build thinking skills. I. Calculation: 1. Splitting and Combining 2. Making 10 3. Calculation Puzzles 4. Addition and Subtraction II. Space: 1. Parts and Wholes 2. Shapes of Objects 3. Overlapping and Cutting Colored Paper 4. Position and Direction III. Logical Reasoning: 1. Cutting Bread 2. Finding Words 3. Arrangement