Word Problems - Multiply Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the combined weight of 15 dogs if the average weight is 17.93 pounds?

Back

The combined weight is 15 x 17.93 = 268.95 pounds.

Front

If a yard of silk fabric costs $7.85, how much does 0.8 yard cost?

Back

0.8 yard costs 0.8 x 7.85 = $6.28.

Front

What is the area of a rectangle with dimensions 5.3 feet by 4.75 feet?

Back

The area is 5.3 x 4.75 = 25.18 square feet.

Front

How do you calculate the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width.

Front

If each wall of a room is 12.9 ft by 11.1 ft, what is the total area of the four walls?

Back

The area of one wall is 12.9 x 11.1 = 143.19 square feet. For four walls, it is 4 x 143.19 = 572.76 square feet.

Front

If Sally talks for 38.4 minutes on Friday, how long does she talk on Saturday if she talks 5.5 times longer?

Back

On Saturday, she talks for 38.4 x 5.5 = 211.2 minutes.

Front

What is the importance of understanding decimal multiplication in real-life situations?

Back

Understanding decimal multiplication helps in calculating costs, measurements, and other practical applications in daily life.

Front

What is the first step in solving a word problem involving decimals?

Back

The first step is to read the problem carefully and identify the key information and what is being asked.