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

2. 
Calculate the number items is required
Difficulty: easy 
2

3. 
Find out how many workers will finish the work in certain period
Difficulty: easy 
2

4. 
Find the cost of the fruit
Difficulty: easy 
2

5. 
Determine the number of days the food will last
Difficulty: medium 
4

6. 
Determine the require price of the product
Difficulty: medium 
4

7. 
Calculate the time taken to cover certain kilometer
Difficulty: medium 
4

8. 
Calculate the increase in speed of the vehicle
Difficulty: medium 
3

9. 
Determine the number of crystal in sugar
Difficulty: medium 
4

10. 
Calculate the number of days that animal can graze the field
Difficulty: hard 
5

11. 
Find out which person bought the product costlier
Difficulty: hard 
6

12. 
Answer the questions
Difficulty: hard 
6

Tests
1. 
Training test
Difficulty: easy 
11

2. 
Training test
Difficulty: medium 
9
