Decimal x Decimal Multiplication

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 decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers. Count the total number of decimal places in both numbers, and place the decimal point in the product so that it has the same number of decimal places.

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length (L) by its width (W). Formula: A = L x W.

Front

Calculate the area of a garden that is 1.2 yards wide and 1.9 yards long.

Back

The area is 2.28 square yards (1.2 x 1.9 = 2.28).

Front

What is the cost of a ride if it costs $2.25 per mile for a distance of 8.7 miles?

Back

The cost is $19.58 (2.25 x 8.7 = 19.575, rounded to 19.58).

Front

What is the exchange rate?

Back

An exchange rate is the value of one currency for the purpose of conversion to another. For example, if the exchange rate is 4.61 pesos to $1, it means 1 US dollar can be exchanged for 4.61 Mexican pesos.

Front

How many pesos does Avery get for exchanging $1,000 at an exchange rate of 4.61 pesos to $1?

Back

Avery gets 4,610 pesos (1,000 x 4.61 = 4,610).

Front

What is the product of 1.2 and 2.1?

Back

The product is 2.52 (1.2 x 2.1 = 2.52).

Front

What is the product of 45.1 and 7?

Back

The product is 315.7 (45.1 x 7 = 315.7).

Front

What is a decimal point?

Back

A decimal point is a dot used to separate the whole number part from the fractional part of a decimal number.