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Worksheets: Addition With Three Numbers.

Vertical Addition: 2 Addends.

- Make the sums and write the results in the yellow boxes.
- If you make a mistake, enter another number.
- Write only one number in each field.

Solve the Exercises Online.

	9	1	0
+	2	2	1
[R]	[R]	[R]	[R]

	2	3	3
+	9	2	8
[R]	[R]	[R]	[R]

	8	9	4
+	2	1	1
[R]	[R]	[R]	[R]

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	1	8	4
+	8	5	1
[R]	[R]	[R]	[R]

	2	0	3
+	8	8	1
[R]	[R]	[R]	[R]

	2	2	8
+	9	2	0
[R]	[R]	[R]	[R]

	2	5	9
+	9	7	0
[R]	[R]	[R]	[R]

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	8	7	2
+	1	9	7
[R]	[R]	[R]	[R]

	2	0	9
+	8	9	1
[R]	[R]	[R]	[R]

	9	7	5
+	2	6	2
[R]	[R]	[R]	[R]

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a) 910 + 221 = 1131
b) 233 + 928 = 1161
c) 894 + 211 = 1105
d) 184 + 851 = 1035
e) 203 + 881 = 1084
f) 228 + 920 = 1148
g) 259 + 970 = 1229
h) 872 + 197 = 1069
i) 209 + 891 = 1100
j) 975 + 262 = 1237