Name: 
 

Lesson 7 - Relating Subtraction to Addition



 
Match each subtraction problem with a number line. Relate the subtraction problem to an addition problem if you need to.
a.

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e.

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b.

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f.

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c.

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g.

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d.

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h.

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 1. 

138 - 73 = 65
 

 2. 

103 - 57 = 46
 

 3. 

157 - 68 = 89
 

 4. 

184 - 76 = 108
 

 5. 

164 - 92 = 72
 

 6. 

127 - 64 = 63
 

 7. 

122 - 56 = 66
 

 8. 

153 - 27 = 126
 

 9. 

Lucas has 156 pennies. Brenda has 85 pennies. How many more pennies does Lucas have?
a.
156 - 85 = 81; Lucas has 81 more pennies.
b.
156 - 85 = 91; Lucas has 91 more pennies.
c.
156 - 85 = 71; Lucas has 71 more pennies.
d.
156 - 85 = 61; Lucas has 61 more pennies.
 

 10. 

Billie’s photo album can hold 175 photos. She needs 52 more to fill the album. How many photos does she already have?
a.
175 - 52 = 113; Billie already has 113 photos in her album.
b.
175 - 52 = 143; Billie already has 143 photos in her album.
c.
175 - 52 = 133; Billie already has 133 photos in her album.
d.
175 - 52 = 123; Billie already has 123 photos in her album.
 



 
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