### Theory

 1 Recalling about whole numbers 2 Properties of whole number 3 Closure property 4 Associative property 5 Distributive property 6 Commutative property 7 Identity property 8 Summary table of properties and operations

### Exercises

 1 Find the current position of a person Difficulty: easy 3 2 Find the sum of given numbers Difficulty: easy 4 3 Choose the correct answer Difficulty: easy 3 4 Determine the value of the given number Difficulty: easy 4 5 Simplify Difficulty: easy 4 6 Solve the questions using identity property Difficulty: medium 4 7 Calculate the value of given number Difficulty: medium 4 8 Select the correct name of the property Difficulty: medium 4 9 Simplify the expression Difficulty: medium 4 10 Answer the below using closure property Difficulty: medium 4 11 Calculate the amount spent on diesel Difficulty: hard 4 12 Calculate the value of the expression Difficulty: hard 4 13 Calculate the amount spent by person Difficulty: hard 4

### Tests

 1 Training test Difficulty: medium 11 2 Training test Difficulty: medium 16

### Teacher manuals

 1 Methodical recommendation