Decimal Multiplication and Division

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points. It involves aligning the numbers, ignoring the decimal points during multiplication, and then placing the decimal point in the product based on the total number of decimal places in the factors.

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, move the decimal point in the dividend (the number being divided) to the right until it becomes a whole number. Then, divide as you would with whole numbers and place the decimal point in the quotient (the result) directly above where it was in the dividend.

Front

What is the rule for multiplying decimals?

Back

When multiplying decimals, count the total number of decimal places in both factors. Multiply the numbers as if they were whole numbers, then place the decimal point in the product so that it has the same number of decimal places as the total counted.

Front

Calculate: 2.4 ÷ 0.06

Back

40

Front

Calculate: 21.75 ÷ 5

Back

$4.35

Front

Calculate: 80.20 ÷ 5

Back

$16.04

Front

What is the result of 5.6 ÷ 0.7?

Back

8

Front

What is the first step in dividing decimals?

Back

The first step in dividing decimals is to make the divisor (the number you are dividing by) a whole number by moving the decimal point to the right. You must also move the decimal point in the dividend the same number of places.

Front

What does it mean to split a total amount equally?

Back

To split a total amount equally means to divide the total into equal parts so that each person receives the same amount.

Front

What is the importance of decimal placement in multiplication?

Back

Decimal placement in multiplication is important because it determines the value of the product. Correct placement ensures that the answer reflects the true value of the numbers being multiplied.