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 sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Tags

CCSS.7.NS.A.1C

Front

What is the result of adding a positive number to a negative number?

Back

The result depends on the absolute values of the numbers; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between two negative numbers?

Back

The difference between two negative numbers is found by subtracting their absolute values, and the result is negative.

Tags

CCSS.7.NS.A.1C

Front

How do you divide a positive number by a negative number?

Back

Dividing a positive number by a negative number results in a negative quotient.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is positive.

Tags

CCSS.7.NS.A.2A

Front

What is the quotient of a negative number divided by a positive number?

Back

The quotient of a negative number divided by a positive number is negative.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

How do you simplify the expression 2 ⅜ ÷ -1 ¾?

Back

Convert to improper fractions: (19/8) ÷ (-7/4) = (19/8) * (-4/7) = -1 5/14.

Tags

CCSS.7.NS.A.2B

Front

What is the result of -5.7 + 0.9?

Back

The result is -4.8.

Tags

CCSS.7.NS.A.1C

Front

What is the difference of –96.43 – (–98.67)?

Back

The difference is 2.24.

Tags

CCSS.7.NS.A.1C