Adding, Subtracting, Multiplying, & Dividing 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 -12 and -8?

Back

-20

Tags

CCSS.7.NS.A.1C

Front

How do you add two negative numbers?

Back

When adding two negative numbers, you add their absolute values and keep the negative sign.

Tags

CCSS.7.NS.A.1C

Front

What is the result of -8 \frac{1}{6} + \frac{5}{6}?

Back

-7 \frac{2}{6} or -7 \frac{1}{3}.

Tags

CCSS.7.NS.A.1C

Front

What is the sum of 27 and -83?

Back

-56

Tags

CCSS.7.NS.A.1C

Front

What is the rule for subtracting rational numbers?

Back

You change subtraction to addition, change the sign of the second number, and then follow the addition rules.

Tags

CCSS.7.NS.A.1D

Front

Evaluate: -19 - 10

Back

-29

Tags

CCSS.7.NS.A.1C

Front

What happens when you subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Tags

CCSS.7.NS.A.1C

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is a positive number.

Tags

CCSS.7.NS.A.2A

Front

What is the quotient of -20 divided by 4?

Back

-5

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B