Decimal Operations

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

What is the result of 55.78 + 4.6?

Back

60.38

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the result of 7.59 - 10?

Back

-2.41 (This indicates that 7.59 is less than 10, resulting in a negative value.)

Front

How do you multiply decimals?

Back

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

Front

What is the result of 0.03 x 0.9?

Back

0.027

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to make it 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 result of 1.625 + 0.3 + 0.61?

Back

2.535

Front

What is the importance of the decimal point in decimal numbers?

Back

The decimal point separates the whole number part from the fractional part, indicating the value of each digit based on its position.