Missing Digits Worksheet
Build a PDF printable of this worksheet with the answer key.

Missing Digits
Name _____________________________
Date _______________

Fill in the missing digits.

1.  
3
+ 2




2.  
9
+ 1



1


3.  
3
+


7


4.  
+ 8



1 2


5.  
5
+


7


6.  
+ 2


5


7.  
+ 6


8


8.  
8
+ 7



1


9.  
3
+ 3




10.  
8
+



1 4


11.  
1
+


2


12.  
8
+ 5



1


13.  
2
+ 9





14.  
+ 1


9


15.  
3
+ 4




16.  
+ 3



1 2


17.  
1
+


7


18.  
4
+



1



 


Answer Key


Build a PDF printable of this worksheet with the answer key.