Common Core: 3.NBT — Number & Operations in Base Ten
Grade 3 • addition • Challenging
Mixed Multi-digit Addition (Set B)
More mixed practice
10 problems
1.
399
+ 20
___
2.
435
+ 95
___
3.
471
+ 80
___
4.
507
+ 65
___
5.
543
+ 51
___
6.
579
+ 36
___
7.
615
+ 21
___
8.
650
+ 96
___
9.
686
+ 81
___
10.
722
+ 67
___