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Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Interior angle sum property of a quadrilateral | Let's recall the concept of angle sum property of a triangle and extend the property to quadrilateral. |
| 2. | Interior angle sum property of polygons | Get to know about the interior angle sum property of polygons. |
| 3. | Exterior angle property of the polygons | Let's learn the concept of sum of measures of exterior angles of a polygon. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Determine the interior angle of a triangle | 1st type - receptive | easy | 2 m. | Practice a problem on angle sum property of a triangle to find the third angle. |
| 2. | The exterior angles of polygon | 3rd type - analysis | hard | 2 m. | Apply the concept of interior and exterior angle properties of polygon and fill in the boxes. |
| 3. | Calculate the interior angle of a quadrilateral | 1st type - receptive | easy | 3 m. | Practice a problem on angle sum property of a quadrilateral to find the fourth angle. |
| 4. | Find out the sum of interior angles | 2nd type - interpretation | easy | 3 m. | Work on the problem on finding the sum of interior angles of a polygon. |
| 5. | Write the measure of each exterior angle | 1st type - receptive | easy | 3 m. | Apply the concept of measure of each exterior angle of a polygon and get the angle value. |
| 6. | Estimate the exterior angle of atriangle | 2nd type - interpretation | medium | 3 m. | Detemine the measure of angle by applying exterior angle sum property. |
| 7. | Match the formula and solve the problems based on interior and exterior angle property | 2nd type - interpretation | medium | 4 m. | Test your remembering level by choosing the formulas. |
| 8. | Evaluate the unknown angle of a quadrilateral | 2nd type - interpretation | medium | 4 m. | Apply angle sum property of quadrilateral and find the unknown angle. |
| 9. | Determine the interior angle and number of sides of polygon | 2nd type - interpretation | medium | 4 m. | Find out the interior angle of the qudriilatera and determine the number of sides of a regular polygon is interior angle is given. |
| 10. | Calculate the unknown value | 2nd type - interpretation | medium | 1 m. | Calculate the value of 'x' by applying the sum of interior angle of the polygon. |
| 11. | Solve and find the angles | 3rd type - analysis | hard | 5 m. | Apply the concept of interior and exterior angle properties of polygon and fill in the boxes. |
| 12. | Find unknown angle and verify angle sum property of the provided polygon | 3rd type - analysis | hard | 5 m. | Analyse the provided pentagon and determine the unknown value. Then find all the interior angles and prove the angle sum property. |
| 13. | Estimate the unknown value | 3rd type - analysis | hard | 5 m. | Calculate the value of y and hence determine the exterior angle of the vertex in it. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Show that the given conjectures are true | Other | medium | 6 m. | Prove that the given statements are true when applying the properties of polygons. |
| 2. | Find the interior angles of a quadrilateral | Other | medium | 4 m. | It is required to work a problem on angle sum property. |
| 3. | Evaluate the measure of angles of a quadrilateral. | Other | medium | 3 m. | Work on a problem on finding interior angles of a quadrilateral. |
| 4. | Find the requried exterior angle | Other | medium | 4 m. | Work on the problem on finding exterior angle of a polygon. |
| 5. | Solve and find the pair of polygons follows the provided condition | Other | hard | 5 m. | Analyse the provided condiitons and find the pair of polygons. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training test | 00:15:00 | medium | 9 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework | 00:20:00 | medium | 11 m. | |
| 2. | Homework | 00:20:00 | hard | 9 m. | |
| 3. | Progress test | 00:20:00 | medium | 12 m. | |
| 4. | Progress test | 00:20:00 | hard | 16 m. |
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