Eureka Grade 6 Module 3 Lesson 5

Where is -2 located on a horizontal number line.

• It is located two units to the right of zero.

• It is located two units to the left of zero.

• It is located at zero.

Answer explanation

Negative numbers are left of zero on a horizontal number line.

Positive numbers are right of zero on a horizontal number line.

Match the following

• 90

• $100 debt

• -90

• $100 increase

• -100

• 90 feet below sea level

• 100

• 90 feet above sea level

The opposite of 8 on a number line is ​ ​ ​ (a)   ​

• -8

• 8

• 0

• 7

• -7

Write the opposite of -10 as an equation

• -(-10) = -10

• -(10) = 10

• -10 = -10

• -(-10)=10

What does a “−” symbol mean?

• It can mean the opposite of a number.

• It can mean a positive number.

• I can mean a number is a number.

What does a “−” symbol mean?

• It can mean the number is a verb.

• It can mean a positive number.

• I can mean a number is negative.

What does a debt of $12 mean?

• 12

• -12

• -(-12)

A debt of $12 means -12.

What is the opposite of a debt of $112?

• 12

• -12

A debt of $12 means -12.

The opposite of a debt of $12 is -(-12) which is 12.

What is the opposite of the opposite of a debt of $12?

• 12

• -12

In general, the opposite of the opposite of a number is ______.

• The opposite of the original number.

• The original number.

• Zero