Operations with Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 3.14 is a decimal.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, carrying over if necessary.

Front

What is the value of 0.5 + 0.25?

Back

0.75

Front

How do you subtract decimals?

Back

Align the numbers by the decimal point and subtract as you would whole numbers, borrowing if necessary.

Front

What is the value of 1.5 - 0.75?

Back

0.75

Front

How do you multiply decimals?

Back

Multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is the value of 0.2 x 0.3?

Back

0.06

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number, and move the decimal point in the dividend the same number of places. Then divide as you would with whole numbers.

Front

What is the value of 0.36 ÷ 0.6?

Back

0.6

Front

What is the importance of the decimal point?

Back

The decimal point indicates the position of the digits in a decimal number, determining the value of each digit based on its position.