Integer Basics

Lesson: Integer Basics (1)

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​Integer Basics

whole numbers, their opposites, and 0.

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Integers are...

​If you see this gif, you need to write something in your notes.

Positive numbers are greater than 0.

Negative numbers are less than 0.

This is a horizontal number line.

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Copy it into your notes and label it "horizontal."

This is a vertical number line.

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Copy it into your notes and label it "vertical."

Let's see what you know.

Multiple Choice

Is it positive or negative?

You found $5.

• 5

• ⁻5

Multiple Choice

Is it positive or negative?

You dig a hole 7 meters deep.

• 7

• ⁻7

Multiple Choice

Is it positive or negative?

It is 10° above zero outside.

• 10

• ⁻10

Multiple Choice

Is it positive or negative?

You are 20 feet below sea level.

• 20

• ⁻20

Multiple Choice

Is it positive or negative?

You take 12 steps backwards.

• 12

• ⁻12

Multiple Choice

Is it positive or negative?

A football team has a loss of 8 yards.

• 8

• ⁻8

How did you do?

On the next slide you'll sort some words to show if they're more likely to be positive or negative. Before you submit, copy your chart in your notebook.

Categorize

Options (11)

above

gain

deposit

below

loss

under

withdrawal

neutral

sea level

owe

debt

Are these words more likely to be positive or negative?

Two options will go into the zero category.

Positive

Negative

Zero

​Opposite numbers are the same distance from zero, but in opposite directions.

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Opposites

Let's see what you know.

Multiple Choice

What is the opposite of ⁻1 ?

• 1

• ⁻1

• 0

• 2

Multiple Choice

What is the opposite of 17 ?

• 17

• ⁻17

• 0

• 71

Multiple Choice

What is the opposite of 23 ?

• 23

• ⁻23

• 0

• 32

Multiple Choice

What is the opposite of ⁻81 ?

• 81

• ⁻81

• 0

• 18

Multiple Choice

What is the opposite of 125 ?

• 125

• ⁻125

• 0

• 521

Multiple Choice

What is the opposite of ⁻99 ?

• 99

• ⁻99

• 0

• 0.99

Multiple Choice

What is the opposite of 0 ?

• 0

• ⁻1

• 1

• ⁻0

• Zero is neutral so it doesn't have an opposite.

What is the opposite of -64?

64

-64

0

46

Lesson: Integer Basics (1)

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How did you do?

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Make sure to let me know if you have any questions!

There is no such thing as "negative 0."

That does not exist.

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One last thing...