Multiplying and Dividing Decimals Review

Front

What is the process of dividing decimals?

Back

To divide decimals, align the numbers by the decimal point, convert the divisor to a whole number by moving the decimal point to the right, and then move the decimal point in the dividend the same number of places. Perform the division as with whole numbers.

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. The product should have the same number of decimal places.

Front

What is the result of 278.8 divided by 41?

Back

6.8

Front

What is the product of 7.3 and 9.6?

Back

70.08

Front

How do you round the result of a decimal multiplication?

Back

To round the result of a decimal multiplication, identify the place value you want to round to, look at the digit immediately to the right, and apply rounding rules (up if 5 or more, down if less than 5).

Front

What is the product of 46.3 and 0.8?

Back

37.04

Front

What is the product of 29.5 and 1.3?

Back

38.35

Front

What is the product of 3.76 and 4.8?

Back

18.048

Front

What is the importance of estimating the result before performing decimal operations?

Back

Estimating helps to check the reasonableness of the answer and can guide the calculation process.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100), and simplify if possible.