6th Grade Math Textbook, Progress

Write a subtraction sentence that is modeled by each number line.

 6 
 5 
 4 
 3 
 2 
 10 
 4 
 3 
 2 
 1  10  2

Subtract. Use a number line to help.

3.  8
    4 4.  5
    8 5.
   4
    5 6. 0
   6
    2


4. 
   3
   
   7 8.  9
    7 9.  7
   
   4 10. 0
   5
    8

11. 8 
 10 12.  3 

 2 13.
 8 

 10 14. 0 
 3 
 5

15.
 7 
 2 16.  9 
 11 17.
 5 

 3 18. 0  7 

 9

19. 5 

 10 20. 
 6 

 7 21. 6 
 0 22. 
 12 
 0

23.  9
     4 24.  2
    
    3 25. 0
    
    8 26.  00
     4

Find the value of the variable.

27.
 9 
a
 15 28.  14 
b
 13 29. 
 8 
c 4

30.d

 11 
 6 31.e
 15  16 32. f

 25 
 3

33. The high temperature in Chicago
    was 67°F and that same day the
    low was
    24°F in Minneapolis.
    What was the difference between
    the high and the low temperatures?
    34. Ben asked his mother to hold his
    savings. At the start of June, his
    savings was $16. That month he
    borrowed $20 to spend. What is
    the amount remaining or owed?

Add. Look for opposites.

0

 11 
 2 
 8  4 
 11  2 nn
 4

0

35.  23 
    17 
    23 n 36.
    12  15  12 
    6 
    15 
    4 n


36.  35  65 
    65 n 38.  22  14 
    10  10 
    22  14 n

Think


 8  4 
 4

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