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Methodical recommendation:

Theory

Number Name Description
1. Introduction to combined shape Let us learn the concept of combined shape.
2. Perimeter of the combined shape Let us discuss the concept of perimeter of the combined shape.
3. Area of the combined shape Let us learn the concept of finding the area of the combined shape.
4. Impact on removing a portion from a given shape Learn about the concept of finding perimeter and area after removing a portion from a given shape.
5. Impact on adding a portion to a given shape Let us discuss about the concept of finding the perimeter and area when adding a portion to a given shape.

Textbook Questions

Number Name Type Difficulty Marks Description
1. Multiple choice questions Other easy 2 m. Select the correct option for the given questions.
2. Two mark example problem Other easy 2 m. Try to find the perimeter of the given figure.
3. Two mark exercise problems Other medium 6 m. Determine the perimeter and area of the combined shapes.
4. Four mark example problem Other medium 8 m. Check your understanding skills in the concept of perimeter and area of the combined shape.
5. Four mark exercise problems I Other hard 8 m. Practice the problem to find the area and perimeter of the given figure.
6. Four mark exercise problems II Other hard 4 m. Practice the problem to find the area and perimeter of the given figure.
7. Four mark exercise problems III Other hard 4 m. Try to find the area of the shaded portion of the given figure.

Practice Questions

Number Name Type Difficulty Marks Description
1. Find the perimeter Other easy 1 m. Try to find out the perimeter of the given figure.
2. Choose the right answer Other easy 1 m. Apply the formula and try to find the area of the combined shape.
3. Calculate the perimeter Other easy 1 m. Try to find out the perimeter of the right triangle after removing a portion from it.
4. Calculate the area Other medium 2 m. Try to find out the area of the right triangle after removing a portion from it.
5. Choose the correct answer Other medium 3 m. Workout the problem and find the area of the shape after adding a right triangle to it.
6. Determine the perimeter after adding a shape Other medium 2 m. Workout the problem and find the perimeter of the shape after adding a right triangle to it.
7. Find the area and their difference Other medium 3 m. Try to find the area of the largest garden and its difference.
8. Find the perimeter and area of the combined shapes Other hard 4 m. Check your understanding skills in the concept of combined shapes.
9. Determine the perimeter and area after removing a square Other hard 7 m. Check your understanding skills in the concept of removing a portion from a given shape.
10. Calculate the perimeter and area after adding a right triangle Other hard 4 m. Practice a problem on finding the perimeter and area of the shape after adding two right triangles.

Key Questions for School Exam Preparation

Number Name Type Difficulty Marks Description
1. Find the perimeter of the remaining portion Other easy 2 m. Determine the perimeter of the combined shapes.
2. Determine the area of the combined shape Other hard 4 m. Check your understanding skills in the concept of the combined shape.

Questions for Teacher Use

Number Name Type Difficulty Marks Description
1. Evaluate the area Other easy 2 m. Find the area of the given figure and the impact of adding two rectangles to the given figure.
2. Find the perimeter of the remaining portion Other easy 2 m. Workout the problem and try to find the perimeter.
3. Draw a combined shape Other medium 3 m. Try to draw a combined shape and find its perimeter and area.
4. Answer the questions Other hard 4 m. Try to find the area of the rectangular cardboard after removing a portion of a right angled triangle.
5. Calculate the perimeter Other easy 1 m. Try to find out the perimeter of the right triangle after removing a portion from it.

Periodic assessments

Number Name Recomended time: Difficulty Marks Description
1. Homework I 00:20:00 easy 5 m.
2. Homework II 00:20:00 medium 8 m.
3. Homework III 00:25:00 medium 10 m.
4. Revision test I 00:25:00 medium 15 m.
5. Revision test II 00:30:00 hard 18 m.
6. Revision test III 00:35:00 hard 23 m.
7. Periodic Assessment 00:10:00 medium 2 m. PA3