Addition Using Open Number Lines Worksheet
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1
2
3Name:
Addition Using Open Number Lines
Solve each problem.
A n s w e r s
1) 25,971 + 5,221 =
31,192
1.
25,971
30,971
31,171
31,191
31,192
98,277
+5,000
+200
+20
+1
2.
94,770
2) 69,112 + 29,165 =
3.
69,112
89,112
98,112
98,212
98,272
98,277
81,391
4.
+20,000
+9,000
+100
+60
+5
36,496
5.
3) 82,649 + 12,121 =
67,142
6.
82,649
92,649
94,649
94,749
94,769
94,770
87,198
+10,000
+2,000
+100
+20
+1
7.
4) 42,173 + 39,218 =
74,967
8.
42,173
72,173
81,173
81,373
81,383
81,391
+30,000
+9,000
+200
+10
+8
5) 19,656 + 16,840 =
19,656
29,656
35,656
36,456
36,496
+10,000
+6,000
+800
+40
6) 66,672 + 470 =
66,672
67,072
67,142
+400
+70
7) 61,789 + 25,409 =
61,789
81,789
86,789
87,189
87,198
+20,000
+5,000
+400
+9
8) 52,717 + 22,250 =
52,717
72,717
74,717
74,917
74,967
+20,000
+2,000
+200
+50
1-8
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Math
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