Multiplying 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 representation of 5/10.

Front

How do you multiply decimals?

Back

To multiply decimals, first 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 product of 0.3 and 0.4?

Back

0.3 x 0.4 = 0.12.

Front

If you multiply a decimal by 10, what happens to the decimal point?

Back

The decimal point moves one place to the right. For example, 0.5 x 10 = 5.0.

Front

What is the value of 2.5 x 4?

Back

2.5 x 4 = 10.

Front

How do you round a decimal to the nearest hundredth?

Back

To round a decimal to the nearest hundredth, look at the third decimal place. If it is 5 or greater, round up the second decimal place by one. If it is less than 5, keep the second decimal place the same.

Front

What is 1.75 x 3?

Back

1.75 x 3 = 5.25.

Front

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

Back

Understanding decimal multiplication is important for calculating money, measurements, and other real-life applications where precision is required.

Front

What is 0.6 x 0.5?

Back

0.6 x 0.5 = 0.30.

Front

How do you check your work after multiplying decimals?

Back

You can check your work by dividing the product by one of the original decimals to see if you get the other decimal.