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Real Numbers

Real Numbers

Assessment

Presentation

Mathematics

7th - 8th Grade

Medium

CCSS
6.NS.C.6, 8.NS.A.1, K.CC.A.3

+12

Standards-aligned

Created by

Guy May

Used 663+ times

FREE Resource

5 Slides • 14 Questions

1

Real Numbers

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2

REAL NUMBER SYSTEM

If you did not copy this down from the video please do so now.

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3

Real Numbers Include

  • Natural Numbers 1,2,3,.......

  • Whole Numbers 0,1,2,3.........

  • Integers -3,-2,-1,0,1,2,3,......

  • Rational Numbers 1/2, .75, 3, -6 (any number that can be expressed as a fraction)

  • Irrational Numbers     π\pi  ,  10\sqrt{10}  ,  any number that CANNOT be expressed as a fraction.

4

Multiple Choice

Rational Numbers are ......

1

Any number that can be written as a fraction.

2

Positive Integers

3

Nonterminating Decimals

4

Only whole numbers.

5

Multiple Choice

Irrational Numbers are ......

1

Any number that can be written as a fraction.

2

any number that cannot be expressed as a fraction

3

terminating decimals

4

Only whole numbers.

6

Set Examples

Natural Numbers 1,2,3,4,5,......
Whole Numbers 0,1,2,3,4,5,......
Integers .....-3,-2,-1,0,1,2,3......
Rational Numbers Examples 1/2,1/3,1, -1, -1/2
Irrational Numbers

 20\sqrt{20}   π\pi   5\sqrt{5}  

7

Multiple Choice

Rational or Irrational?

 21\sqrt{21}  

1

Rational 

2

Irrational

8

Multiple Choice

Rational or Irrational?

 40\sqrt{40}  

1

Rational 

2

Irrational

9

Multiple Choice

Rational or Irrational?

 81\sqrt{81}  

1

Rational 

2

Irrational

10

Multiple Choice

The set of whole numbers.

1

...1/2,,1,3/2,2,........

2

1,2,3,......

3

...,-3,-2,-1,0,1,2,3,......

4

0,1,2,3,......

11

Multiple Choice

The set of natural numbers.

1

...1/2,,1,3/2,2,........

2

1,2,3,......

3

...,-3,-2,-1,0,1,2,3,......

4

0,1,2,3,......

12

Multiple Choice

The set of integers.

1

...1/2,,1,3/2,2,........

2

1,2,3,......

3

...,-3,-2,-1,0,1,2,3,......

4

0,1,2,3,......

13


 <<  less than
 >>  greater than

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14

Multiple Choice

Fill in the blank

 81\sqrt{81}  ____ 9

1

<

2

>

3

=

4

 \ne  

15

Multiple Choice

Fill in the blank

 20\sqrt{20}  ____ 9

1

<

2

>

3

=

4

 \ne  

16

Multiple Choice

Fill in the blank

 6.25\sqrt{6.25}  ____ 250%

1

<

2

>

3

=

4

 \ne  

17

Multiple Select

What sets does 6 belong to?

1

Natural

2

Whole

3

Integer

4

Rational

18

Multiple Select

What sets does this number belong to?

 7\sqrt{7}  

1

Natural

2

Whole

3

Integer

4

Irrational

5

rational

19

Multiple Select

What sets does this number belong to? 


- 81\sqrt{81}   

1

Natural

2

Whole

3

Integer

4

Rational

Real Numbers

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