Multiplying Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, typically represented with a decimal point.

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 factors and place the decimal point in the product accordingly.

Front

What is the importance of estimating when multiplying decimals?

Back

Estimating helps to quickly assess the reasonableness of the answer and can simplify calculations.

Front

What is the product of 0.5 and 0.2?

Back

The product of 0.5 and 0.2 is 0.1.

Front

How do you convert kilometers to miles?

Back

To convert kilometers to miles, multiply the number of kilometers by 0.62.

Front

What is the result of multiplying 5.78 by 3.5?

Back

The result of multiplying 5.78 by 3.5 is 20.23.

Front

If a trail is 8.54 miles long, how far would someone travel if they went around it 4 times?

Back

If someone went around the trail 4 times, they would travel 34.16 miles.

Front

What is the significance of the decimal point in multiplication?

Back

The decimal point indicates the value of the number and its position affects the final product when multiplying.

Front

What is the product of 7.13 and 5.5?

Back

The product of 7.13 and 5.5 is 39.215.

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.