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Three Digit Addition Problems.

Number of Addends: Two.

- 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.

Resolve Online.

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

	2	1	8
+	9	0	5
[R]	[R]	[R]	[R]

	8	7	4
+	1	9	9
[R]	[R]	[R]	[R]

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	2	1	9
+	9	0	6
[R]	[R]	[R]	[R]

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

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

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

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	9	9	9
+	2	7	7
[R]	[R]	[R]	[R]

	2	3	1
+	9	2	4
[R]	[R]	[R]	[R]

	2	4	7
+	9	5	0
[R]	[R]	[R]	[R]

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a) 277 + 998 = 1275
b) 218 + 905 = 1123
c) 874 + 199 = 1073
d) 219 + 906 = 1125
e) 997 + 276 = 1273
f) 979 + 265 = 1244
g) 214 + 899 = 1113
h) 999 + 277 = 1276
i) 231 + 924 = 1155
j) 247 + 950 = 1197