Theory
Exercises
1. 
Find the perimeter
Difficulty: easy 
1

2. 
Choose the right answer
Difficulty: easy 
1

3. 
Calculate the perimeter
Difficulty: easy 
1

4. 
Calculate the area
Difficulty: medium 
2

5. 
Choose the correct answer
Difficulty: medium 
3

6. 
Determine the perimeter after adding a shape
Difficulty: medium 
2

7. 
Find the area and their difference
Difficulty: medium 
3

8. 
Find the perimeter and area of the combined shapes
Difficulty: hard 
4

9. 
Determine the perimeter and area after removing a square
Difficulty: hard 
7

10. 
Calculate the perimeter and area after adding a right triangle
Difficulty: hard 
4

Tests
1. 
Training test
Difficulty: medium 
5

2. 
Training test
Difficulty: easy 
5
