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Worksheets: Addition With 3 Digits.

Vertical Addition: Four 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.

Resolve Online.

	2	1	2
	2	5	4
+	2	4	7
	9	9	9
[R]	[R]	[R]	[R]

	9	8	4
	9	5	7
+	9	7	9
	1	8	6
[R]	[R]	[R]	[R]

	9	1	6
	2	1	6
+	8	9	0
	8	5	2
[R]	[R]	[R]	[R]

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	9	0	3
	8	6	0
+	9	3	0
	9	7	5
[R]	[R]	[R]	[R]

	9	7	8
	8	8	4
+	8	4	2
	9	7	9
[R]	[R]	[R]	[R]

	8	3	1
	8	9	4
+	9	6	9
	1	7	4
[R]	[R]	[R]	[R]

	2	3	2
	2	0	4
+	8	7	0
	2	5	8
[R]	[R]	[R]	[R]

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	9	9	2
	8	7	4
+	9	0	4
	9	1	2
[R]	[R]	[R]	[R]

	9	9	0
	2	3	1
+	9	8	3
	1	9	2
[R]	[R]	[R]	[R]

	9	6	0
	8	7	4
+	2	6	2
	8	4	2
[R]	[R]	[R]	[R]

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a) 212 + 254 + 247 + 999 = 1712
b) 984 + 957 + 979 + 186 = 3106
c) 916 + 216 + 890 + 852 = 2874
d) 903 + 860 + 930 + 975 = 3668
e) 978 + 884 + 842 + 979 = 3683
f) 831 + 894 + 969 + 174 = 2868
g) 232 + 204 + 870 + 258 = 1564
h) 992 + 874 + 904 + 912 = 3682
i) 990 + 231 + 983 + 192 = 2396
j) 960 + 874 + 262 + 842 = 2938