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Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Introduction to symmetry | Let us get introduced to symmetry and the line of symmetry. |
| 2. | What is a line of symmetry? | Let us get introduced to 'the line of symmetry'. |
| 3. | Two lines of symmetry | Let us get introduced to figures with two lines of symmetry. |
| 4. | Reflection symmetry | Let us learn about reflection symmetry. |
| 5. | Introduction to rotational symmetry | Let us get introduced to rotational symmetry. |
| 6. | Order of rotation | Let us get introduced to the order of rotation. |
| 7. | Translational symmetry | Let us get introduced to translational symmetry. |
Textbook Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Fill in the blanks I | Other | easy | 2 m. | Apply the concept of 'Reflection symmetry' and 'line of symmetry' match the given figure to its reflection. |
| 2. | Fill in the blanks II | Other | easy | 3 m. | Read the statements with the missing elements given. Complele the statements with the best answer. |
| 3. | True or false I | Other | medium | 3 m. | Apply the concept of 'reflection symmetry' , 'order of rotaion' and 'rotational symmetry' say whether the given statements are true or flase. |
| 4. | True or flase II | Other | medium | 2 m. | Apply the concept of 'reflection symmetry' , 'order of rotaion' and 'rotational symmetry' say whether the given statements are true or flase. |
| 5. | Match the following | Other | medium | 4 m. | Apply the concept of line of symmetry' and match the given figures. |
| 6. | Choose the correct answer I | Other | medium | 2 m. | Choose the correct answer using the concept of symmetry. |
| 7. | Choose the correct answer II | Other | medium | 3 m. | Choose the correct answer using the concept of symmetry. |
| 8. | Two marks example problem I | Other | easy | 3 m. | To draw a line symmentry and number of line symmentry. |
| 9. | Two marks example problem II | Other | medium | 3 m. | Practice to draw the mirror line using reflection symmetry. |
| 10. | Two marks example problem III | Other | medium | 4 m. | Draw the reflection image for the given figure. |
| 11. | Two marks example problem IV | Other | medium | 4 m. | Try to draw the mirror image if the mirror placed below the words. |
| 12. | Two marks example problem V | Other | medium | 0 m. | To find the reflection symmetry and draw the lines of symmetry. |
| 13. | Two marks example problem VI | Other | medium | 4 m. | Practice to find the order of rotation of the figure. |
| 14. | Two marks example problem VII | Other | medium | 5 m. | Practice to find the order of rotation of the given figure. |
| 15. | Two marks example problem VIII | Other | medium | 3 m. | Draw a simplified parttern of the given kolam. |
| 16. | Three marks example problem I | Other | medium | 0 m. | Apply the concept of 'Lines of symmetry' and compute the number of lines of symmetry for each of the words given. |
| 17. | Three marks example problem II | Other | hard | 4 m. | Draw the lines of symmetry and find the number of line of symmetry of the given shapes. |
| 18. | Three marks example problem III | Other | hard | 0 m. | Apply the concept of 'Reflection symmetry' and find the reflection image of the figure. |
| 19. | Three marks exercise problem I | Other | medium | 3 m. | complete each alphabet to discover the hidden word and match the figure. |
| 20. | Three marks exercise problem II | Other | medium | 3 m. | complete each alphabet to discover the hidden word and match the figure. |
| 21. | Three marks exercise problem III | Other | medium | 5 m. | Apply the concept of 'Lines of symmetry' and match the given figure to its reflection. |
| 22. | Three marks exercise problem IV | Other | hard | 4 m. | Complete the remaiing part of the line of symmetry. |
| 23. | Three marks exersice problem V | Other | medium | 0 m. | Apply the concept of the rotational symmetry. |
| 24. | Three mark exercise problem VI | Other | medium | 0 m. | Apply the concept of reflection symmetry. |
| 25. | Four marks example problem I | Other | hard | 4 m. | Complete the remaiing part of the line of symmetry. |
| 26. | Four marks example problem II | Other | hard | 2 m. | Practice to find the order od rotational smmetry. |
| 27. | Four marks example problem III | Other | medium | 0 m. | Apply the concept of rotational symmetry. |
| 28. | Four marks examble problem IV | Other | medium | 0 m. | Try to complete the given pattern to the remaing part. |
| 29. | Four marks example peoblem V | Other | hard | 3 m. | Try to complete the given pattern to the remaing part. |
| 30. | Four marks exerices problem I | Other | medium | 4 m. | Draw the line of symmetry of the given figure. |
| 31. | Four marks exercise problem II | Other | medium | 5 m. | Apply the concept of rotational symmetry and find the order of rotation. |
| 32. | Four marks exercise problem III | Other | medium | 0 m. | Apply the concept of rotational symmetry and find the order of rotation. |
| 33. | Four marks exercise problem IV | Other | medium | 3 m. | Try to find the simplified pattern of the given sequence. |
| 34. | Four marks exercise problem V | Other | medium | 0 m. | Apply the concept of line of symmetry. |
| 35. | Four marks exercise problem VI | Other | hard | 0 m. | Apply the concept of Reflection and Rotational symmetry. |
| 36. | Four marks exercise problem VII | Other | hard | 5 m. | Apply the concept of line of symmetry and find the order of rotation. |
| 37. | Four marks exercise problem VIII | Other | hard | 0 m. | Translate the given pattern and complete the design in rectangular strip. |
| 38. | Four marks exercise problem IX | Other | hard | 0 m. | Apply the concept of reflection and rotational symmetry. |
| 39. | Four marks exercise problem X | Other | hard | 4 m. | Find the line of symmetry and the order of rotational symmetry of the given regular polygons. |
| 40. | Four marks exercise problem XI | Other | hard | 2 m. | Complete the pattern using translational symmetry. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Choose the right answer | Other | easy | 3 m. | Read the statements with the missing elements given. Complele the statements with the best answer. |
| 2. | Choose the right figure | Other | easy | 1 m. | Look at the figure and choose the figure with the right line of symmetry. |
| 3. | Find the reflection | Other | easy | 3 m. | Apply the concept of 'Reflection symmetry' and match the given figure to its reflection. |
| 4. | Match the translated pattern | Other | easy | 3 m. | Apply the concept of 'Translational symmetry' and translate the figures given. |
| 5. | Is the figure symmetrical or not? | Other | medium | 4 m. | Apply the concept of 'Lines of symmetry' and say whether the given figures are symmetrical or not. |
| 6. | Classify the following | Other | medium | 3 m. | Apply the concept of 'Lines of symmetry' and classify the given figures based on the conditions specified. |
| 7. | The number of lines of symmetry is... | Other | medium | 3 m. | Look at the figure given and find out the number of lines of symmetry passing through the given figure. |
| 8. | Find the order of rotation | Other | medium | 4 m. | Look at the figure given and compute its order of rotation. |
| 9. | Complete the missing portion | Other | medium | 4 m. | Use the right type of symmetry to complete the missing portion. |
| 10. | In how many ways....? | Other | medium | 4 m. | Compute the number of ways the specified object can be rotated. |
| 11. | Symmetry in letters of the alphabet | Other | hard | 6 m. | Apply the concept of 'Lines of symmetry' and compute the number of lines of symmetry for each of the words given. |
| 12. | Complete the missing fields | Other | hard | 6 m. | Compute the number of lines of symmetry and the order of rotation for each of the figures given. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Say yes or no | Other | easy | 3 m. | Validate the statements with the help of the figures given. |
| 2. | Symmetrical and non-symmetrical figures | Other | medium | 1 m. | Draw two symmetrical and two non-symmetrical figures. |
| 3. | Give examples for the conditions specified | Other | hard | 2 m. | Give relevant examples for the conditions given. |
| 4. | Symmetry around us | Other | hard | 1 m. | Write a few sentences about the symmetrical shapes around you. Also specify the number of lines of symmetry for each of the objects specified. |
| 5. | Line of symmetry | Other | medium | 1 m. | |
| 6. | Order of the rotation | Other | medium | 1 m. | |
| 7. | Rhombus | Other | medium | 1 m. | |
| 8. | Translation symmetry | Other | medium | 1 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework I | 15:00:00 | medium | 9 m. | |
| 2. | Homework II | 00:20:00 | medium | 12 m. | |
| 3. | Homework III | 00:20:00 | medium | 7 m. | |
| 4. | Homework IV | 00:20:00 | medium | 9 m. | |
| 5. | Homework V | 00:20:00 | medium | 10 m. | |
| 6. | Homework VI | 00:20:00 | medium | 15 m. | |
| 7. | Homework VII | 00:20:00 | hard | 17 m. | |
| 8. | Homework VIII | 00:20:00 | hard | 4 m. | |
| 9. | Homework IX | 00:30:00 | hard | 3 m. | |
| 10. | Homework X | 00:30:00 | hard | 9 m. | |
| 11. | Revision test I | 00:20:00 | medium | 11 m. | |
| 12. | Revision test II | 20:00:00 | medium | 8 m. | |
| 13. | Revision test III | 20:00:00 | medium | 12 m. | |
| 14. | Revision test IV | 20:00:00 | medium | 13 m. | |
| 15. | Periodic Assessment | 00:10:00 | medium | 8 m. | PA3 |
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