Common Core: 3.NBT
Answer Key
Grade 3subtractionChallenging

Borrowing Across Zeros (Set C)

Additional zeros practice

8 problems

1.
370
-332
___
2.
320
-278
___
3.
426
-259
___
4.
735
-171
___
5.
591
-236
___
6.
510
-111
___
7.
538
-362
___
8.
862
-129
___