Description Sagosem Elementary 3 Book 1 (2019) Week 1. Addition of 3- and 4-Digit Numbers (1) Week 2. Addition of 3- and 4-Digit Numbers (2) Week 3. Subtraction of 3- and 4-Digit Numbers (1) Week 4. Subtraction of 3- and 4-Digit Numbers (2) Week 5. Addition and Subtraction of 3- and 4-Digit Numbers (1) Week 6. Addition and Subtraction of 3- and 4-Digit Numbers (2) Week 7. Word Problem Solving Week 8. Expressing as Equations Sagosem Elementary 3 Book 2 (2019) Week 1. Basics of Fractions Week 2. Fractions Week 3. Comparing Fraction Sizes (1) Week 4. Comparing Fraction Sizes (2) Week 5. Conditions and Fractions Week 6. Decimals Week 7. Comparing Decimal Sizes Week 8. Word Problem Solving with Decimals Sagosem Elementary 3 Book 3 (2019) Week 1. Multiplying 2- and 3-Digit Numbers (1) Week 2. Multiplying 2- and 3-Digit Numbers (2) Week 3. Multiplying 2-Digit Numbers (1) Week 4. Multiplying 2-Digit Numbers (2) Week 5. Division Without Remainders Week 6. Division With Remainders Week 7. Word Problem Solving with Division (1) Week 8. Word Problem Solving with Division (2) Sagosem Elementary 3 Book 4 (2019) Week 1. Representing Fractions Week 2. Wholes and Fractions Week 3. Number Lines and Fractions Week 4. Types of Fractions Week 5. Adding Fractions Week 6. Subtracting Fractions Week 7. Improper Fractions and Mixed Numbers Week 8. Comparing Fraction Sizes