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 point, then place the decimal point in the product by counting the number of decimal places in the decimal factor.

Front

What is the product of 0.5 and 0.2?

Back

0.5 x 0.2 = 0.1

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 point, then place the decimal point in the quotient based on the position of the decimal in the dividend.

Front

What is the quotient of 1.5 divided by 0.5?

Back

1.5 ÷ 0.5 = 3.0

Front

What is the value of 28.193 × 0.01?

Back

28.193 × 0.01 = 0.28193

Front

How do you estimate the cost of multiple items?

Back

To estimate the cost of multiple items, multiply the cost of one item by the number of items and round to the nearest whole number if necessary.

Front

What is the total cost of 3 jeans at $49.95 each?

Back

Total cost = 3 × 49.95 = $149.85

Front

If a shirt costs $16.89, what is the cost of 3 shirts?

Back

Cost of 3 shirts = 3 × 16.89 = $50.67