Decimal Operations

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, 0.5 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, placing the decimal point in the sum directly below the other decimal points.

Front

What is the result of 0.3 + 0.2?

Back

0.5

Front

What is a multiplication of decimals?

Back

Multiplication of decimals involves multiplying the numbers as if they were whole numbers, then placing the decimal point in the product based on the total number of decimal places in the factors.

Front

What is 0.5 x 0.4?

Back

0.2

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 usual.

Front

What is 2.4 ÷ 0.6?

Back

4

Front

How many decimal places are in the product of 0.6 x 0.3?

Back

There are 2 decimal places in the product.

Front

What is the result of 0.73 x 2.52?

Back

1.83

Front

What is the rule for multiplying decimals?

Back

Count the total number of decimal places in both factors. The product will have that many decimal places.