Theory
Exercises
1. 
Choose the correct answer
Difficulty: easy 
3

2. 
Fill in the blanks
Difficulty: easy 
1

3. 
Answer the question
Difficulty: medium 
2

4. 
Find the area of the irregular shape
Difficulty: medium 
2

5. 
Answer the following
Difficulty: hard 
6

6. 
Estimate the area
Difficulty: hard 
8

Tests
1. 
Training test
Difficulty: easy 
5
