Theory
Exercises
1. 
Decimal addition with one decimal
Difficulty: easy 
3

2. 
Subtraction of an integer and decimal, up to 0.1
Difficulty: easy 
3

3. 
Multiplying the decimal by an integer (tenths)
Difficulty: easy 
2

4. 
Decimal multiplication
Difficulty: medium 
3

5. 
Decimal division
Difficulty: medium 
3

6. 
Sum of the difference of numbers
Difficulty: medium 
3

7. 
Multiplication of decimals with unknown divident
Difficulty: medium 
3

8. 
Perimeter of rectangle
Difficulty: hard 
4

9. 
Calculate the unknown value
Difficulty: hard 
6

10. 
Operations with decimals in a text task
Difficulty: hard 
6

11. 
Area of the garden
Difficulty: hard 
4

Tests
1. 
Training test
Difficulty: medium 
9
