Basic and Mixed Operations

Mathematics

ON button

Used to switch on a calculator

Number buttons

Used to type in the numbers

Operation buttons

Used to type in the operations

Application of any numbers

Calculate with a calculator

The number that will be rounded off has the digit between 1-4

The number after has to be '0'

The number that will be rounded off has the digit between 5-9

The number after that is added '1'

Number pattern

The determination of a series of numbers

Example of the number pattern

30000, 45000, 60000 - numbers are arranged in an ascending order and the number pattern is 15000