Introduction to Integers

Introduction to Integers

Presenter: Dr. luis Bello

Textbook: https://openstax.org/books/prealgebra-2e/pages/3-introduction-to-integers

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Chapter Outline 3.1 Introduction to Integers

3.2 Add Integers

3.3 Subtract Integers

3.4 Multiply and Divide Integers

3.5 Solve Equations Using Integers; The Division Property of Equality

Learning Objectives

By the end of this section, you will be able to:

Locate positive and negative numbers on the number line

Order positive and negative numbers

Find opposites

Simplify expressions with absolute value Translate word phrases to expressions with integers

Multiple Select

Select ALL the numbers greater than -4.

• -7

• -2

• 0

• -10

Multiple Choice

What is the opposite of 17?

• 17

• -17

• 1/17

• 0

Multiple Choice

What is the absolute value of 31?

• -31

• 31

• 0

• 0.31

Multiple Choice

True or False? -80 is an integer.

• True

• False

Multiple Choice

∣ -11 ∣

• -11

• 11

• 1

• 0

Multiple Choice

True or False? 15 is an integer.

• True

• False

Multiple Choice

If you deposit $100 in the bank, the integer value would be:

• -100

• +100

• 1

• 10

Multiple Choice

A running back loses 4 yards on the play, as an integer this would be:

• -4

• +4

• 0

• 1/4

Multiple Select

Select ALL the numbers less than -3.

• -5

• -1

• -3

• -4

Multiple Choice

What is the opposite of 22?

• 22

• 1/22

• -22

• 0.22

Multiple Choice

If the temperature drops 12°, it would be represented by the integer:

• 12

• -12

Multiple Choice

What is the smallest number?

• -4

• 0

• -7

• 3

Multiple Choice

What would go in the circle:

12 O -12

• <

• =

• >

Multiple Choice

The definition of an integer is?

• Any number with a negative sign.

• The opposite of a whole number.

• Whole numbers and their opposites.

• The answer to a multiplication problem.

Multiple Choice

What is the opposite of -9?

• -9

• 9

• 1/9

• 0.9

Multiple Choice

What is the opposite of -9?

• -9

• 9

• 1/9

• 0.9