Adding, Subtracting, Multiplying, & Dividing Rational Numbers

Front

What happens when you add two negative numbers?

Back

You add them and keep the sign.

Tags

CCSS.7.NS.A.1C

Front

Evaluate: -14 + (-3)

Back

-17

Tags

CCSS.7.NS.A.1C

Front

What is the result of dividing two negative numbers?

Back

The result is positive.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

Evaluate: -18 ÷ (-2)

Back

9

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the result of subtracting a positive number from a negative number?

Back

You combine the absolute values and keep the negative sign.

Tags

CCSS.7.NS.A.1C

Front

Evaluate: -19 - 10

Back

-29

Tags

CCSS.7.NS.A.1C

Front

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

Back

You subtract the absolute values and take the sign of the number with the larger absolute value.

Tags

CCSS.7.NS.A.1C

Front

Evaluate: 34.5 + (-7)

Back

27.5

Tags

CCSS.7.NS.A.1C

Front

What is a rational number?

Back

A number that can be expressed as a fraction of two integers.

Tags

CCSS.5.NBT.A.2

Front

What is the rule for multiplying two negative numbers?

Back

The result is positive.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B