7th Grade Math

Test PracticeT

Add or subtract. Write in simplest form. (Lesson 2A)

51. _^7
    10
    
    
    • ^1
      10
      52. ^3
      8
      
      
      • ^1
        8
        53. ^5
        18
        
        
        • ^7
          18
          54. ^11
          20
          
          
          • _^3
            20
          
          
          
          
        
        
        
        
      
      
      
      
    
    
    
    


52. 145 + 143 56. ^2021 - 215 57. 1911 + 198 58. 4029 - ^1440

Replace each ● with >, <, or = to make a true sentence. (Lesson 1C)

59. ^38 ● 94 60. 112 ● 121 61. 80% ● _^1215


60. SCHOOL This week, Tia took quizzes in her math
    and science classes. On which quiz did Tia have
    the better score? (Lesson 1C)


61. SPORTS To practice for a track meet, Lucinda ran
    83 mile and Vijay ran ^47 mile. Who ran the greater
    distance? Explain your reasoning. (Lesson 1C)

Quiz Score Log

Subject: Math Science

Score:

17

— 20

21

— 25

Lesson 2C Add and Subtract Fractions 151

48. The table gives the number of hours
    Orlando spent at football practice for
    one week.

Day Time (h)

Monday _^12

Tuesday 2

Wednesday _^13

Thursday _^56

Friday _^12

Saturday _^34

How many more hours did he practice

on Thursday than on Saturday?

A. _^23 h

B. _^13 h

C. _^14 h

D. _ 121 h

49. Which of the following is the prime
    factorization of the lowest common
    denominator of 127 + ^1181?
    F. 2 × 3
    G. 2 × 32
    H. 22 × 32
    I. 23 × 3


50. Brett has ^56 of his weekly allowance left
    to spend. He has budgeted ^18 of his
    allowance to save for a new video game.
    How much of his weekly allowance will
    he have left after putting the savings
    away?
    A. _^47

B. _^38

C. _ 127

D. _^1724

139_156_C3L2_895130.indd 151 12/31/09 12:37 PM