Addition Using Open Number Lines Worksheet Page 3
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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
98,277
+5,000
+200
+20
+1
2.
94,770
2) 69,112 + 29,165 =
3.
69,112
81,391
4.
+20,000
+9,000
+100
+60
+5
36,496
5.
3) 82,649 + 12,121 =
67,142
6.
82,649
87,198
+10,000
+2,000
+100
+20
+1
7.
4) 42,173 + 39,218 =
74,967
8.
42,173
+30,000
+9,000
+200
+10
+8
5) 19,656 + 16,840 =
19,656
+10,000
+6,000
+800
+40
6) 66,672 + 470 =
66,672
+400
+70
7) 61,789 + 25,409 =
61,789
+20,000
+5,000
+400
+9
8) 52,717 + 22,250 =
52,717
+20,000
+2,000
+200
+50
1-8
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Modified
Math
10
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