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  3. Measurement
  4. Measurement of Length
  5. Addition and Subtraction of Lengths
  6. Subtraction of Lengths
Grade 4
1. Numbers (5-Digit and 6-Digit)
2. Roman Numerals (up to 100)
3. Addition
4. Subtraction
5. Addition and Subtraction
6. Multiplication
7. Division
8. Factors and Multiples
9. Patterns
10. Rounding Numbers
11. Fractions
12. Decimals
13. Money
14. Measurement
14.1. Measurement of Length
14.1.1. Conversion of Metric Units of Length
14.1.2. Addition and Subtraction of Lengths
14.1.2.1. Addition of Lengths
14.1.2.2. Subtraction of Lengths
14.1.2.2.1. Subtraction of Lengths in Meters and Centimeters
14.1.2.2.2. Subtraction of Lengths in Kilometers and Meters
14.1.3. Word Problems on Length
14.2. Measurement of Weight
14.3. Measurement of Capacity
15. Unitary Method
16. Geometry
17. Perimeter of Rectilinear Figures
18. Solid Shapes (3-D shapes)
19. Symmetry
20. Time
21. Data Handling

Grade 4 S Korea School Math Subtraction of Lengths

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