1OA4
 
Name: 
 

1OA4



Completion
Complete each statement.
 

 1. 

What digit makes the following number sentence true?  If 10  -3 = 7; then 3 +  = 10.
 

 

 2. 

Find the missing number to solve the following problem. If 15-4 = 11; 4 + __ =15.
 

 

 3. 

Find the missing addend.  If 12-2 = 10; then 10 +___ =12.
 

 

 4. 

Solve the following number sentence.  If 16-14 = 2; then 14 + __ =16.
 

 

 5. 

Which digit makes the following number sentence true?  If 9-5 = 4; then 5 +__=9.
 

 

 6. 

Which digit makes the following number sentence true?  If 17-12 = 5; then 12 + __=17.
 

 

 7. 

Solve the following problem.  If 20-3 = 17; Then 17 + __= 20.
 

 

 8. 

Which digit makes the following number sentence true?  If 16-8 = 8; then 8 +__  =16.
 

 

 9. 

Solve the following number sentence.  If 12-4=8; 4+__ =12.
 

 



 
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