Theory
Exercises
1. 
Choose the correct answer for negative rational numbers
Difficulty: easy 
1

2. 
Evaluate the additive inverse
Difficulty: easy 
2

3. 
Find the "X" using the additive inverse
Difficulty: easy 
1

4. 
Determine the multiplicative inverse
Difficulty: medium 
1

5. 
Find the reciprocal and multiply
Difficulty: medium 
3

6. 
Determine the distributivity of multiplication over subtraction
Difficulty: hard 
2

7. 
Determine the distributivity of multiplication over addition
Difficulty: hard 
2

Tests
1. 
Training test
Difficulty: medium 
3
