Multiplying and Dividing Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) to separate 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 rule for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor (the number you are dividing by) to the right until it is a whole number, and move the decimal point in the dividend (the number being divided) the same number of places.

Front

Calculate: 0.5 × 0.2

Back

0.1

Front

Calculate: 3.6 ÷ 0.9

Back

4

Front

What is the value of 0.75 in fraction form?

Back

0.75 is equal to 3/4.

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).

Front

Calculate: 1.2 × 0.5

Back

0.6

Front

Calculate: 4.5 ÷ 1.5

Back

3

Front

What is the first step in dividing 19.5 by 0.31?

Back

Move the decimal point in both numbers to the right two places.