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  3. Patterns and Shapes
  4. Shapes
  5. Plane Shapes (2-D shapes)
  6. Open and Closed Shapes

Grade 1 Vietnam School Math Open and Closed Shapes

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Grade 1
1. Shapes and Solids Around Us
2. Spatial Understanding
3. Numbers from 1 to 10
4. Numbers from 11 to 20
5. Numbers from 21 to 100
6. Numbers from 1 to 100
7. Addition (1 to 20)
8. Subtraction (1 to 20)
9. Addition and Subtraction (1 to 20)
10. Addition and Subtraction of Numbers up to 100
11. Multiplication
12. Skip Counting
13. Patterns and Shapes
13.1. Patterns
13.2. Shapes
13.2.1. Plane Shapes (2-D shapes)
13.2.1.1. Open and Closed Shapes
13.2.1.2. Identify Different Plane Shapes (Rectangle, Square, Circle, and Triangle)
13.2.1.3. Count the Vertices and Sides of a Plane Shape
13.2.1.4. Compare Vertices and Sides of Different Plane Shapes
13.2.1.5. Visualize a Shape After Flipping, Turning and Sliding It
13.2.2. Solid Shapes (3-D shapes)
13.2.3. Differentiate Between 2-D and 3-D Shapes
14. Time
15. Probability
16. Data Handling
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