Identifying Rational and Irrational Numbers - Accelerated Algebra/Geometry

Identifying Rational and Irrational Numbers

Name:

Determine if the number is rational (R) or irrational (I).

Answers

1) 61¦Ð

1.

I

2.

R

3.

R

4.

I

5.

R

6.

R

7.

I

8.

R

9.

R

10.

R

11.

I

12.

I

13.

I

14.

R

15.

R

16.

R

17.

R

18.

R

19.

I

20.

R

2) 42

3) 75.082106

4)

101

5) 65.4279

6)

20

?6

7) ¦Ð

8) 5.6213

9)

98

?16

10) 39

11) 89.396668...

12)

17

13) 67.714813...

14)

15)

64

?4

1

16)

25

17) 71.5186

18)

?54

7

19) 20.455566...

20) 97.33997

Math



1

1-10 95 90 85 80 75 70 65 60 55 50

11-20 45 40 35 30 25 20 15 10 5 0

Identifying Rational and Irrational Numbers

Name:

Answer Key

Determine if the number is rational (R) or irrational (I).

Answers

1) 61¦Ð

1.

I

2.

R

3.

R

4.

I

5.

R

6.

R

7.

I

8.

R

9.

R

10.

R

11.

I

12.

I

13.

I

14.

R

15.

R

16.

R

17.

R

18.

R

19.

I

20.

R

2) 42

3) 75.082106

4)

101

5) 65.4279

6)

20

?6

7) ¦Ð

8) 5.6213

9)

98

?16

10) 39

11) 89.396668...

12)

17

13) 67.714813...

14)

15)

64

?4

1

16)

25

17) 71.5186

18)

?54

7

19) 20.455566...

20) 97.33997

Math



1

1-10 95 90 85 80 75 70 65 60 55 50

11-20 45 40 35 30 25 20 15 10 5 0

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