Sri Lanka
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- Grade 3
- Numbers (4-Digit)
- Successor and Predecessor
- Predecessor of a Number
1.1.1. Numerals and Number Names
1.1.1.1. Write Numerals for Number Names
1.1.1.2. Write Number Names for Numerals
1.1.2. Numbers on Abacus
1.4.1. Successor of a Number
1.4.2. Predecessor of a Number
1.5.1. Compare Numbers
1.5.2. Order Numbers
1.6. Forming Numbers
3. Addition
4. Subtraction
4.3.1. Subtraction Property of Zero
4.3.3. Subtraction by Itself
6. Division
6.9. Long Division Method
6.9.1. Divide Without Remainder
6.10. Division by 10
7. Fractions
8. Measurement
8.1.1. Metric Units of Length
8.1.2. Measure Using a Ruler
8.1.3.1. Convert Lengths into Centimeters
8.1.3.3. Convert Lengths into Meters
8.1.4.1. Addition of Lengths
8.1.4.1.1. Addition of Lengths in Meters or Centimeters
8.1.4.1.3. Addition of Lengths in Kilometers and Meters
8.1.4.2. Subtraction of Lengths
8.1.5. Word Problems on Lengths
8.1.5.1. Word Problems on Addition of Lengths
8.2.1. Metric Units of Weight
8.2.3.1. Convert Weights into Grams
8.2.3.3. Convert Weights into Kilograms
8.2.4.1. Addition of Weights
8.2.4.1.1. Addition of Weight in Kilogram or Gram
8.2.4.1.2. Addition of Weight in Kilogram and Gram
8.2.4.1.3. Addition of Weights in Grams and Milligrams
8.2.4.2. Subtraction of Weight
8.2.4.2.1. Subtraction of Weight in Kilogram or Gram
8.2.4.2.2. Subtraction of Weight in Kilogram and Gram
8.2.5. Word Problems on Weights
8.2.5.1. Word Problems on Addition of Weights
8.3.1. Metric Units of Capacity
8.3.2. Measure Using a Vessel
8.3.3.1. Convert Weights into Milliliters
8.3.3.3. Convert Weights into Liters
8.3.4.1. Addition of Capacity
8.3.4.1.1. Addition of Capacity in Liter or Milliliters
8.3.4.2. Subtraction of Capacity
8.3.5. Word Problems on Capacities
9. Time
9.1. Clock
9.2. Calendar
9.2.1. Days of the Week
9.2.2. Months of the Year
9.2.4. Decade and Century
9.2.5. Word Problems on Calendar
10. Geometry
11. Symmetry
12. Data Handling
12.1. Data
12.1.1. Basic Definition of Data
12.2. Pictographs
12.2.1. Basic Definition of Pictographs
12.2.2. Represent Data as Pictographs
12.2.3. Interpreting Pictographs
Grade 3 Sri Lanka School Math Predecessor of a Number
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