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Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Symmetry | Introduction to symmetry, Line symmetry. |
| 2. | Reflection symmetry | Learn the role of a mirror in mathematics. |
| 3. | Rotational symmetry | Learn rotation of an object, understand it. |
| 4. | Order of rotation | An important concept in understanding rotation symmetry. |
| 5. | Angle of rotation | An important concept in understanding rotation symmetry. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Line of symmetry | 1st type - receptive | easy | 3 m. | Say whether there is symmetry or no. |
| 2. | Number of lines | 2nd type - interpretation | medium | 1 m. | Lines of symmetry. |
| 3. | Symmetric points | 1st type - receptive | medium | 2 m. | Symmetric points in an asymmetric image. |
| 4. | Axis of symmetry | 2nd type - interpretation | medium | 2 m. | Line of symmetry in the image. |
| 5. | Reflection symmetry of squares | 1st type - receptive | hard | 1 m. | Understand the role of mirror and select the appropriate image. |
| 6. | Lines on shapes | 2nd type - interpretation | easy | 1 m. | Choose the appropriate line which divides the image symmetrically. |
| 7. | Symmetry in aplhabets | 2nd type - interpretation | easy | 1 m. | Symmetrical English alphabets. |
| 8. | Select the angles | 1st type - receptive | medium | 1 m. | Understand and give correct answers. |
| 9. | Order of rotation - shapes | 3rd type - analysis | hard | 4 m. | Give order of rotation of the images. |
| 10. | Order of rotation - angle | 3rd type - analysis | medium | 4 m. | Order of rotation at different angles. |
| 11. | Line symmetry | 3rd type - analysis | hard | 5 m. | Understanding symmetry on a line. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Symmetric dots | Other | easy | 1 m. | Match the dots to understand symmetry. |
| 2. | Sign boards - Symmetry | Other | hard | 5 m. | Symmetry in sign boards that we see in our day-to-day life. |
| 3. | Angle and order of rotation | Other | medium | 12 m. | Recollect and fill the table. |
| 4. | Geometric shapes | Other | medium | 1 m. | Symmetry in geometric shapes |
| 5. | Complete the other halves | Other | medium | 4 m. | Draw the other part of images and upload them. |
| 6. | Reflection symmetry around us | Other | medium | 5 m. | Give examples of mirror symmetry. |
| 7. | Symmetry around us | Other | medium | 5 m. | Say where do you find symmetry around you. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training test | 00:20:00 | medium | 6 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework | 00:20:00 | medium | 4 m. | |
| 2. | Homework | 00:20:00 | hard | 12 m. | |
| 3. | Progress test | 00:20:00 | medium | 10 m. | |
| 4. | Progress test | 00:00:00 | hard | 16 m. |
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