6th Grade Math Textbook, Progress

Use equivalent fractions or the cross-products rule

to determine if the ratios form a proportion.

1. 
   ^1
   5

1

6

0

 2. 
^3

4

^7

5

 3. 
^2

1

^1

5

(^0)
4.

1
6
0



^1
3
8
0

5. 
   ^7
   4

^1

1

4

8

 6. 


6

6

0

^1

9

0

0

 7. 
^7

5

^4

3

9

5

 8. 
^8

5

^4

5

0

0

Find the missing term to form a proportion.

9. 
   
   7
   3
   
    10.
   
   5
   1
   
    11.
   
   1
   2

2

1


 12. 


1

1

5

8




13. 
    
    3
    4
    
     14.
    
    1

9

0


 15. 


1

7

4


 16. 


3

3

2

6




Choose the two equivalent ratios. Write a proportion.

Check by showing the cross products.

17. 
    ^4
    5
    
    ,
    ^2
    2

0

5


, 
^5

4


 18. 


1

1

2


, 
^2

2

4

1


, 
^4

3

0

5


 19.
^9

5


, 
^3

3

6

0


, 
^3

2

6

0

20. 
    ^2
    1

0

0


, 
^2

1


, 
^4

5


 21. 


8

9

1


, 


2

9

7


, 
^1

9


 22.
^7

6


, 


1

7

6


, 
^1

3

4

2

23. 6 : 2, 3 : 1, 10 : 5 24. 8 : 4, 4 : 2, 3 : 1 25.10 : 15, 12 : 18, 14 : 16


24. Leonard’s cat catches 3 mice every 2 days. Francine’s
    cat catches 10 mice every 6 days. Do the two cats
    catch mice at the same rate? Explain.


25. George Ferris constructed the first Ferris wheel. It
    was about 250 ft high and almost 800 ft around.
    Name four equivalent ratios that compare the height
    of the wheel to the distance around it.

8

n

n

1

81

n

n

8

n

36

n

7

15

n

28

n

?

?



?

?



?

?



?

?



If 
 and a, b, c, anddare nonzero numbers, determine whether

each statement is trueor falsefor given values of a, b, c, andd.

Give an example to support your answer.

28.  29.  30.  31. c
    d
    c

a 
b

b

c

c d

a

a b

b

d

a

c

d

c

b

a

c

d

a

b

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