Multiplying Decimals Flashcard

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) separating the whole number from the fractional part.

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 product of 1.9 and 5.4?

Back

10.26

Front

What is 3.4 x 4?

Back

13.6

Front

What is the product of 0.29 and 5.7?

Back

1.653

Front

What is 0.7 x 9.4?

Back

6.58

Front

What is 2.5 x 4.8?

Back

12.0

Front

What does it mean for a product to be between two numbers?

Back

It means that the result of the multiplication falls within the range of those two numbers.

Front

How many decimal places are in the product of 0.7 and 9.4?

Back

There is one decimal place in 0.7 and one in 9.4, so the product will have two decimal places.

Front

What is the importance of estimating products of decimals?

Back

Estimating helps to quickly determine a reasonable range for the product, making it easier to check the accuracy of the final answer.