Multiplying and Dividing Decimals Review

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 3.14 is a decimal.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there were no decimal point, 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 result of 1.6 x 2.85?

Back

The result is 4.56.

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, move the decimal point in the dividend (the number being divided) to the right if necessary to make it a whole number, then divide as usual.

Front

What is 1.2 ÷ 4?

Back

The result is 0.3.

Front

What does the expression 3.4 x 5 represent?

Back

It represents multiplying 3.4 by 5, which equals 17.

Front

What does the expression 1.5 ÷ 5 represent?

Back

It represents dividing 1.5 by 5, which equals 0.3.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number). For example, 1/2 = 0.5.

Front

What is the result of 27.5 ÷ 5?

Back

The result is 5.5.

Front

What is the importance of the decimal point in multiplication?

Back

The decimal point indicates the value of the number. It helps in determining the correct placement of the decimal in the product.