Name: 
 

1OA4.1



Matching
 
 
Solve the following subtraction number sentence by matching it with the addition number sentence that would best help you.
a.
13-?=8
d.
13-?=1
b.
?-11=2
e.
?-4=9
c.
?-7=6
 

 1. 

6+7=13
 

 2. 

1+12=13
 

 3. 

2+11=13
 

 4. 

9+4=13
 

 5. 

5+8=13
 
 
Find the missing number.  Match the following subtraction number sentences with the addition number sentence that would help you solve it.
a.
17-?=1
d.
?-11=6
b.
?-3=14
e.
17-?=8
c.
17-13=?
 

 6. 

14+3=17
 

 7. 

6+11=17
 

 8. 

8+9=17
 

 9. 

1+16=17
 

 10. 

17-13=?
 



 
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