7th Grade Math

Test PracticeT

138 Rational Numbers

C 42. Which One Doesn’t Belong? Identify the ratio that does not have the same

value as the other three. Explain your reasoning.

12 out of 15 0.08 80% _^45

43. CHALLENGE Explain how you know which number, 1 ^1516 , ^178 , or _ 3263 , is
    closest to 2.


44. E WRITE MATH Write a word problem about a real-world situation in
    which you would compare rational numbers. Then solve the problem.


45. Which point shows the location of _^7
    2
    on
    the number line?

1 "
 2 #
 3 $
 4 %
 5

A. point A C. point C

B. point B D. point D

46. Tabitha surveyed high school students
    to find how many students have a pet.

Grade Students Who Have Pets Out of Total Students

Freshmen 45 out of 56

Sophomores 40 out of 50

Juniors 35 out of 42

Seniors 38 out of 43

Which list shows the results in order

from least to greatest?

F. freshmen, sophomores, juniors, seniors

G. sophomores, freshmen, juniors, seniors

H. seniors, juniors, sophomores, freshmen

I. juniors, seniors, freshmen, sophomores

47. Which of the following fractions is
    closest to 0?
    A. - ^3
    4
    C. ^7
    12
    B. - ^2
    3
    D. ^5
    8
    48. Which list of numbers is ordered from
    least to greatest?
    F. ^1
    4
    , 4 ^1
    4
    , 0.4, 4%

G. 4%, 0.4, 4 _^1

4

, _^1

4

H. 4%, _^1

4

, 0.4, 4 _^1

4

I. 0.4, _^1

4

, 4%, 4 _^1

4

49. Which of the following fractions is the
    least?
    A. - ^7
    8
    C. - ^7
    10
    B. - ^7
    9
    D. - ^7
    11


50. The daily price changes for a stock are
    shown in the table.

Day Price Change

Monday -0.21

Tuesday -1.05

Wednesday -0.23

Thursday +0.42

Friday -1.15

On which day did the price decrease by

the greatest amount?

F. Monday H. Wednesday

G. Tuesday I. Friday

127_138_C3L1_895130.indd 138 12/31/09 12:35 PM