7th Grade Math

Extra Practice EP7

Extra Practice

Multi-Part Lesson 3-1: Rational Numbers

PARTS A B PAGES 127–132

Write each fraction or mixed number as a decimal. Use bar notation if the

decimal is a repeating decimal.

1. 2016 2. 12030 3. 1 87 4. ^16


2. 4011 6. 5 ^1350 7. 30055 8. 1 ^12


3. ^59 10. 2 ^34 11. 119 12. 4 ^19

Write each decimal as a fraction or mixed number in simplest form.

13. 0.26 14. 0.75 15. 0.4 16. 0.1


14. 4.48 18. 9.8 19. 0.91 20. 11.15

PART C PAGES 133–138

Replace each^ with <, >, or = to make a true sentence. Use a number line

if necessary.

1. 
   
   
   
   • ^15 - ^35 2. - ^78 - 85 3. - 61 - 65 4. - _^3
     4
     
     
     • _^1
       4
     
     
     
     
   
   
   
   


2. 
   
   
   
   • 2 ^14 - 2 ^28 6. - 4 73 - 4 72 7. - 1 94 - 1 ^89 8. - 3 ^45 - 3 ^25
   
   
   
   


3. 97 ^35 10. ^1425 ^34 11. 248 ^2060 12. 125 ^49


4. 2418 ^1018 14. ^46 ^59 15. 4911 ^1242 16. 145 ^26

Order each set of numbers from least to greatest.

17. 70%, 0.6, ^23 18. 0.8, 2017 , 17% 19. _ 10061 , 0.65, 61.5%


18. 
    
    
    
    0. −−
       42 , ^37 , 42% 21. 2.15, 2.105, 2 507 22. 7 _^18 , 7.81, 7.18
    
    
    
    

Multi-Part Lesson 3-2: Add and Subtract Fractions

PART A PAGES 139–143

Add or subtract. Write in simplest form.

1. 115 + ^9
   11
   2. 85 - ^1
   8
   3. 107 + ^7
   10


2. 129 - ^5
   12
   5. ^29 + 91 6. ^14 + ^3
   4


3. ^1721 + (- ^13
   21

(^) ) 8. - _^8
13

• (- ^11
  13
  (^) ) 9. 2813 - _ 289

10. ^1516 + ^13
    16
    11. - 354 - (- ^1735 ) 12. ^38 + (- ^58 )


11. 158 - ^2
    15
    14. - _^3
    10
    
    
    • ^7
      10
      15. ^56 - _^76
    
    
    
    


12. 247 + ^7
    24
    17. - ^299 - (- ^269 ) 18. ^37 - ^47

EP2_EP36_ExtPract_M1_895130.indd EP7 1/6/10 11:46 AM