Skill Check Math 8

Front

Simplify: 4 - 17

Back

-13

Front

Simplify: -15 + 21

Back

6

Front

Simplify: 18 - (-7)

Back

25

Front

Simplify: -8 - 19

Back

-27

Front

Simplify: -7 + 7

Back

0

Front

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

Back

It is equivalent to adding the absolute value of the negative number.

Front

What is the result of adding a number to its opposite?

Back

The result is always 0.

Front

What is the definition of a negative number?

Back

A number that is less than zero.

Front

What is the definition of a positive number?

Back

A number that is greater than zero.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form.