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Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Introduction to triangle | Introduction to triangles and its properties. |
| 2. | Angle sum property | Explanation and an example of angle sum property. |
| 3. | Types of triangle | Let's recall the basics of triangle. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Pick the suitable choice | 1st type - receptive | easy | 2 m. | Complete the sentence using the known facts of a triangle. |
| 2. | Select the set of angles that forms a triangle | 1st type - receptive | easy | 3 m. | Pick the set of angles that forms a triangle from the provided choices using angle sum property. |
| 3. | Find the unknown angle if other two angles are given | 2nd type - interpretation | easy | 3 m. | Apply angle sum property to find one of the unknown value. |
| 4. | Determine the unknown angle in the right triangle | 2nd type - interpretation | medium | 3 m. | Practice a problem to find the unknown angle in right triangle by applying angle sum property. |
| 5. | Evaluate the unknown equal angles in isosceles triangle | 2nd type - interpretation | medium | 4 m. | Calculate unknown equal angles in the provided triangle if one among the interior angle is given. |
| 6. | Calculate the unknown outiside angle | 2nd type - interpretation | medium | 4 m. | Calculate unknown outside angle if the interior angles of the triangle are given. Solve by applying angle sum property and vertically opposite angle concept. |
| 7. | Find two unknown angles using two known angles | 2nd type - interpretation | medium | 4 m. | Calculate the unknown angles in the triangle using the given angles by applying vertically opposite and angle sum property. |
| 8. | Solve and get the unknown angles | 3rd type - analysis | hard | 5 m. | Calculate the unknown angles using exterior angle and angle sum property. |
| 9. | Find exterior angle of a triangle from known interior angles | 3rd type - analysis | hard | 5 m. | Calculate exterior angle of a triangle if two interior angles are given. |
| 10. | Determine unknown angle from opposite triangle | 3rd type - analysis | hard | 5 m. | Calculate unknown angle of a triangle uisng two other given angles by applying vertically opposite and angle sum property. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Construct any triangle and prove angle sum property | Other | medium | 5 m. | Construct a model that verifies the angle sum property with the help of information given. |
| 2. | Determine the unkown angle using two known angles | Other | easy | 2 m. | Calculate unknown angle using two known angles by applying angle sum property. |
| 3. | Calculate unequal angle in isosceles triangle | Other | medium | 4 m. | Calculate the measure of unequal angle in isosceles triangle given its equal angles by applying angle sum property. |
| 4. | Calculate unknown angles with the help of outside angle of a triangle | Other | hard | 5 m. | Calculate unknown angles with the help of outside known angle of a triangle using vertically opposite and angle sum property. |
| 5. | Find two unknown angles for the given angle ratio | Other | hard | 4 m. | Calculate two unknown angles using its ratio by applying angle sum property to it. |
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. | Home Work | 00:20:00 | medium | 10 m. | |
| 2. | Homework | 00:20:00 | medium | 14 m. | |
| 3. | Progress Test | 00:20:00 | medium | 10 m. | |
| 4. | Progress Test | 00:20:00 | hard | 14 m. |
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