This math topic focuses on practicing the addition of three-digit numbers. It includes multiple exercises where two three-digit whole numbers need to be added together. Each question presents a problem along with multiple choice answers, testing the ability to perform addition correctly and choose the right result among various options. This is part of a broader unit on addition and subtraction of integers involving two and three-digit numbers.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Addition - Whole Number 3 digit + 3 digit Worksheet

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Math worksheet on 'Addition - Whole Number 3 digit + 3 digit (Level 2)'. Part of a broader unit on 'Addition and Subtraction of Integers - 2 and 3 Digit' Learn online: app.mobius.academy/math/units/addition_and_subtraction_integers_2_and_3_digit/
1
Add these numbers
103 + 978
a
1,081
b
721
c
360
d
0
e
2,162
f
2,522
2
Add these numbers
103 + 119
a
222
b
148
c
518
d
296
e
74
f
0
3
Add these numbers
103 + 187
a
290
b
387
c
483
d
0
e
193
f
677
4
Add these numbers
103 + 318
a
982
b
281
c
1,123
d
421
e
140
f
0
5
Add these numbers
103 + 238
a
455
b
682
c
0
d
114
e
341
f
568
6
Add these numbers
116 + 208
a
216
b
0
c
324
d
756
e
540
f
108
7
Add these numbers
118 + 266
a
768
b
384
c
1,024
d
896
e
0
f
640
Addition - Whole Number 3 digit + 3 digit (Level 2) - Mobius Math Academy