Rational Numbers CYCLE 1 Flashcard for 7.NS.2

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is a positive number.

Front

What is the product of a negative number and a positive number?

Back

The product of a negative number and a positive number is a negative number.

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together.

Front

What is the value of (-0.8) * (4.0)?

Back

-3.2

Front

If a submarine descends at a rate of 20 meters per minute, what is the depth change after 15 minutes?

Back

-300 meters

Front

How do you divide a fraction by a whole number?

Back

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

Front

What is the change in elevation if a hiker descends at a rate of -3 meters per minute for 12 minutes?

Back

-36 meters

Front

How do you find the equivalent fraction of 3/5 when shared equally between two people?

Back

To find the equivalent fraction when shared equally, divide the numerator by 2: 3/5 ÷ 2 = 3/10.

Front

What is the product of -4 and 1/2?

Back

-2