Intro to Rational Numbers

Intro to Rational Numbers

Important Words to Know:

Integers
Positive Number
Negative Number
Opposites

Important Words to Know:

Integers- Positive numbers, negative numbers, and zero
Positive Number
Negative Number
Opposites-

Important Words to Know:

Integers- Positive numbers, negative numbers, and zero
Positive Number- Any number greater than or equal to zero
Negative Number-
Opposites-

Important Words to Know:

Integers- Positive numbers, negative numbers, and zero
Positive Number- Any number greater than or equal to zero
Negative Number- Any number less than zero
Opposites-

Important Words to Know:

Integers- Positive numbers, negative numbers, and zero
Positive Number- Any number greater than or equal to zero
Negative Number- Any number less than zero
Opposites- same number, but the opposite sign

Integers are all WHOLE numbers; positive, negative, and zero. We can use a number line to show where each integer lays in relation to zero.

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Integers

Integers are NOT decimals or fractions

Integers

Multiple Choice

Integers are........

• Integers are positive numbers only

• Integers are negative numbers only.
• Integers are all whole numbers, negative and positive as well as zero

• Integers are fractions.

Multiple Choice

Integers are NOT

• Positive numbers
• Fractions or decimals
• Whole numbers
• Negative numbers

Positive numbers are any numbers greater than zero. On a number line, they are to the RIGHT of the zero.

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Positive Numbers

• In math, positive numbers represent:

  • Deposits

  • Gains

  • Additions

  • Increase

  • Above
    

Positive Numbers

Multiple Choice

Where on a number line can we find positive numbers?

• At zero
• To the right of zero ---->

• To the left of zero <----

Multiple Choice

Positive numbers are __________ zero

• Greater than

• Less than

Open Ended

Tell me a word that may mean "positive number" while working on word problems.

Negative numbers are numbers that are less than zero. They are found to the LEFT of zero on a number line.

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Negative Numbers

With negative numbers, the LARGER the number is, the smaller it actually is.
On the number line, the further LEFT the number is, the SMALLER it actually is.

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Negative Numbers

​Some words that may mean "negative" in math are
-minus -loss
-take away -decrease
-spend -withdraw

Negative Numbers

Multiple Choice

negative numbers are found....

• on the left side of the number line. <---

• on the right side of the number line --->

Multiple Choice

The LARGER the negative number's numeral...

• The bigger the number actually is

• The smaller the number actually is

Multiple Choice

negative numbers are _________ zero

• greater than

• less than

Open Ended

tell me two words that might mean "negative" when doing word problems

Opposite numbers are numbers that have different signs. They are the same distance from zero, just on different signs.

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Opposite Numbers

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Fill in the Blanks

Opposite numbers are the same numbers that have different

​Zero is neither positive nor negative! The opposite of 0 is 0!!

Important!!

Multiple Select

What is the opposite of 0?

• 0

• -0

• Zero doesn't have an opposite.

Let's Practice Together!

Give the opposite of the following:

​1) 4


2) 1


3) 0


4) -3

Give the opposite of the following:

​1) 4 -4


2) 1


3) 0


4) -3

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0


4) -3

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3 3

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3 3

​​5) -1


6) 9


7) -99


8) 100

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3 3

​​5) -1 -1


6) 9


7)-99


8) 100

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3 3

​​5) -1 -1


6) 9 -9


7)-99


8) 100

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3 3

​​5) -1 -1


6) 9 -9


7)-99 99


8) 100

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3 3

​​5) -1 -1


6) 9 -9


7)-99 99


8) 100 -100

Give the opposite of the following:

​1) 4 -4


2) 1 -1


3) 0 0


4) -3 3

​​5) -1 -1


6) 9 -9


7)-99 99


8) 100 -100

Draw

Put a dot on -4

Draw

Put a dot on 5

Draw

Put a dot on -9

Draw

Put a dot on 0

Multiple Choice

Finish the sentence: -5 __ 0

• >

• <

• =

Multiple Choice

Finish the sentence: 0 __ 2

• >

• <

• =

Multiple Choice

Finish the sentence: -7 __ -3

• >

• <

• =

Multiple Choice

Finish the sentence: 2 __ -3

• >

• <

• =

Multiple Choice

Finish the sentence: 6 __ -2

• >

• <

• =

Multiple Choice

Finish the sentence: -5 __ -1

• >

• <

• =

Multiple Choice

Finish the sentence: 0 __ 6

• >

• <

• =

Multiple Choice

Finish the sentence: -5 __ -8

• >

• <

• =

Multiple Choice

Finish the sentence: 11 __ -15

• >

• <

• =