Multiply And Divide Positive Rational Numbers

Front

What is a positive rational number?

Back

A positive rational number is a number that can be expressed as the quotient of two integers, where the numerator is a positive integer and the denominator is a non-zero integer.

Front

How do you divide a whole number by a fraction?

Back

To divide a whole number by a fraction, multiply the whole number by the reciprocal of the fraction.

Front

What is the reciprocal of 1/3?

Back

The reciprocal of 1/3 is 3.

Front

What is 7 divided by 1/3?

Back

21

Front

How do you divide decimal numbers?

Back

To divide decimal numbers, align the decimal points and divide as you would with whole numbers, then place the decimal point in the quotient.

Front

What is 42.3 ÷ 3?

Back

14.1

Front

How do you find the weight per trip if you have a total weight and a number of trips?

Back

Divide the total weight by the number of trips.

Front

If a moving company has 1/6 of a ton to move in 4 trips, how much weight is on each trip?

Back

1/24 of a ton.

Front

What is 8.32 pounds of jelly beans divided into 8 jars?

Back

1.04 pounds per jar.

Front

How do you divide a decimal by a whole number?

Back

Divide as you would with whole numbers, and place the decimal point in the quotient.