Name: ___________________________
Addition: 3-digits w/ Regrouping
Monster Math
Three-Digit Addition
a.
2 8 6
b.
7 9 4
+ 1 0 9
+ 1 5 2
c.
8 3 9
d.
4 4 8
+ 6 4 5
+
8 4
e.
3 0 7
f.
1 2 5
+ 3 1 6
+ 5 6 5
g.
9 8 9
h.
7 7 7
+
3 3
+ 9 9 9
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Name: ___________________________
Addition: 3-digits w/ Regrouping
Monster Math - Answer Key
Three-Digit Addition
a.
2 8 6
b.
7 9 4
+ 1 0 9
+ 1 5 2
3 9 5
9 4 6
c.
8 3 9
d.
4 4 8
+ 6 4 5
+
8 4
1, 4 8 4
5 3 2
e.
3 0 7
f.
1 2 5
+ 3 1 6
+ 5 6 5
6 2 3
6 9 0
g.
9 8 9
h.
7 7 7
+
3 3
+ 9 9 9
1, 0 2 2
1, 7 7 6
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