8_s1c3po2 Rational & Irrational

8th Grade Math - Clashman M08-S1C3-02 Rational & Irrational Numbers

Standard:

Name (First & Last) Date

S1C3 USE ESTIMATION STRATEGIES REASONABLY AND FLUENTLY WHILE INTEGRATING CONTENT FROM EACH OF THE OTHER STRANDS. M08-S1C3-02. Estimate the location of rational and common irrational numbers on a number line.

Objective:

DIRECTIONS: Select one of the choices provided and write it on the line next to the corresponding number. (20 points) 1)

Between which two letters is the number -3.5 located on the number line below? (2 points) QuickTimeª and a TIFF (Uncompressed) decompressor are needed to see this picture.

A B C D 2)

between point H and point K between point K and point L between point L and point M between point M and point N

Each space on the number line is 1 unit long. Which letter on the number line represents the number -5? (2 points) QuickTimeª and a TIFF (Uncompressed) decompressor are needed to see this picture.

A B C D 3)

A B C D

Each space on the number line is 1 unit long. Which answer best represents letter D? (2 points) QuickTimeª and a TIFF (Uncompressed) decompressor are needed to see this picture.

A B C D 4)

-4 -3 3 4

Which of the following best represents the location of point T on the number line shown below? (2 points)

QuickTimeª and a TIFF (Uncompressed) decompressor are needed to see this picture.

A B C D 5)

2 2¾ 3½ 3 3/4

Which letter on the number line represents the fraction below? (2 points)

QuickTimeª and a TIFF (Uncompressed) decompressor are needed to see this picture.

A B C D 6)

7)

At what position on the number line is the dot located? (2 points)

A

40

B

80

C

30

D

50

At what position on the number line is the dot located? (2 points)

A B C D 8)

A B C D

6 6.75 5.75 5.5

At what position on the number line is the dot located? (2 points)

A

-7 1/4

B C D 9)

-7 1/2 -7 -7 3/4

At what position on the number line is the dot located? (2 points)

A B C

2 /2 4

D

10 )

At what position on the number line is the dot located? (2 points)

A B C D

-4 7/10 -4 2/5 -4 3/5 -4 1/2

S1C3-02

Score Key – Total Points 20-18 = Exceeds

17-16 = Meets

15-13 = Approaches

<13 = Falls Far Below

Match the dots on the number line with the appropriate location by indicating the appropriate letter in the corresponding box. Each response will be used only once. (1 point each / 5 points total) 16)

A)

4

F) -3.75

17)

B)

7

G) 2 3/5

18)

C)

11

H) 2 3/4

19)

D)

14

I) 4 1/10

20)

E) -2.25

J) 4 1/4

S1C3-02

Score Key – Total Points 5 = Exceeds

S1C3-02

4 = Meets

3 = Approaches

<3 = Falls Far Below

TOTAL = Exceeds

ASSESSMENT TOTAL = Exceeds

= Meets

= Approaches

= Falls Far Below

= Approaches

= Falls Far Below

TOTAL = Meets