Multiplying and Dividing Rational Numbers Review

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.

Tags

CCSS.5.NBT.A.2

Front

What is the result of multiplying two positive rational numbers?

Back

The result is a positive rational number.

Tags

CCSS.HSN.RN.B.3

Front

What is the result of multiplying a positive rational number by a negative rational number?

Back

The result is a negative rational number.

Tags

CCSS.7.NS.A.2A

Front

What is the result of dividing a positive rational number by a negative rational number?

Back

The result is a negative rational number.

Tags

CCSS.7.NS.A.2B

Front

What is the result of dividing a negative rational number by a positive rational number?

Back

The result is a negative rational number.

Tags

CCSS.7.NS.A.2B

Front

What does the bar in a fraction represent?

Back

The bar in a fraction represents division (÷).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you divide a number by a fraction?

Back

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

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by swapping its numerator and denominator.

Front

What is the result of 5 ÷ ⅕?

Back

The result is 25.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What is the result of -10 ÷ 2?

Back

The result is -5.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B