Multiplying Decimals Flashcard

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the process of adding a number to itself a certain number of times.

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point.

Front

How do you multiply a decimal by a whole number?

Back

Multiply as if there are no decimals, then count the total number of decimal places in the numbers being multiplied and place the decimal point in the product accordingly.

Front

What is the product of 3.4 and 4?

Back

13.6

Front

What is the product of 0.7 and 9.4?

Back

6.58

Front

What is the product of 1.9 and 5.4?

Back

The product is between 10 and 11.

Front

What is the product of 0.29 and 5.7?

Back

1.653

Front

What is the product of 2.5 and 4.8?

Back

12.0

Front

How do you determine the placement of the decimal in the product?

Back

Count the total number of decimal places in the factors and place the decimal in the product so that it has that many decimal places.

Front

What is the importance of estimating products of decimals?

Back

Estimating helps to quickly assess the reasonableness of the answer before calculating the exact product.