### Theory

 1 Introduction to integers 2 Addition on number line 3 Addition of integers 4 Introduction about basic properties of integers 5 Closure property 6 Associative property 7 Commutative property 8 Identity property 9 Inverse property

### Exercises

 1 Find the sum of given numbers Difficulty: easy 4 2 Choose the correct answer Difficulty: easy 4 3 Find the current position of a person Difficulty: easy 3 4 Find the depth of the submarine Difficulty: medium 2 5 Choose the correct answer Difficulty: medium 3 6 Solve the questions using identity property Difficulty: medium 4 7 Comparison of positive and negative integers Difficulty: medium 4 8 State true or false Difficulty: medium 4 9 Calculate the total reduced mark Difficulty: hard 5 10 Select the correct name of the property Difficulty: hard 4 11 Find out the given expression equal or not Difficulty: hard 4 12 Find the time at the city falls on certain temperature Difficulty: hard 2

### Tests

 1 Training test Difficulty: medium 10 2 Training test Difficulty: medium 10

### Teacher manuals

 1 Methodical recommendation