Operations with Rational Numbers

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 dividing a positive number by a negative number?

Back

The result is a negative number.

Tags

CCSS.3.OA.D.9

Front

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

Back

The result is a negative number.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

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

Back

The result is a positive number.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the rule for multiplying two negative numbers?

Back

When you multiply two negative numbers, the result is a positive number.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the rule for multiplying a positive number by a negative number?

Back

When you multiply a positive number by a negative number, the result is a negative number.

Tags

CCSS.3.OA.D.9

Front

What is the rule for multiplying a negative number by a positive number?

Back

When you multiply a negative number by a positive number, the result is a negative number.

Tags

CCSS.7.NS.A.2A

Front

How do you simplify the expression 44/-4?

Back

To simplify 44/-4, divide 44 by -4, which equals -11.

Tags

CCSS.7.NS.A.2B

Front

What is the quotient of 9.18 divided by -3.4?

Back

The quotient of 9.18 divided by -3.4 is -2.7.

Tags

CCSS.7.NS.A.2B

Front

What is the process for adding two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.7.NS.A.1C