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 multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there is no decimal, then place the decimal point in the product. The decimal point is placed so that the number of decimal places in the product equals the number of decimal places in the decimal being multiplied.

Front

What is the product of 0.2 and 0.002?

Back

0.0004

Front

What is decimal division?

Back

Decimal division is the process of dividing numbers that have decimal points. It involves moving the decimal point in the divisor to make it a whole number and adjusting the dividend accordingly.

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, divide as if there is no decimal, then place the decimal point in the quotient directly above the decimal point in the dividend.

Front

What is 95.20 ÷ 17?

Back

5.60

Front

What is 24.5 ÷ 3.5?

Back

7

Front

How do you estimate the cost of multiple items?

Back

To estimate the cost of multiple items, round the prices to the nearest whole number, then multiply the rounded prices by the quantity of each item.

Front

What is the importance of estimating in shopping?

Back

Estimating helps you quickly determine if you have enough money to make a purchase without calculating the exact total.

Front

What is the total cost of 3 jeans at $49.95 each and 2 shirts at $24.99 each?

Back

$199.83