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Addition - Whole Number 3 digit + 3 digit (Level 1)

This math topic focuses on practicing the addition of three-digit whole numbers. It involves various exercises where students add pairs of three-digit numbers and choose the correct answer from multiple options provided. This topic is a subset of a larger unit on both the addition and subtraction of two and three-digit integers. This exercise is designed to enhance students' skills in basic arithmetic operations, specifically reinforcing their ability to perform addition with more significant numbers accurately.

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

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Add. Whole Number 3 digit + 3 digit

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Add these numbers

126 + 310

Addition - Whole Number 3 digit + 3 digit Worksheet

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Math worksheet on 'Addition - Whole Number 3 digit + 3 digit (Level 1)'. 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
126 + 310
a
872
b
436
c
581
d
727
e
1,163
f
291
2
Add these numbers
103 + 512
a
0
b
820
c
615
d
1,025
e
205
f
1,230
3
Add these numbers
126 + 521
a
431
b
216
c
863
d
1,510
e
0
f
647
4
Add these numbers
103 + 215
a
318
b
212
c
106
d
0
e
530
f
742
5
Add these numbers
116 + 123
a
239
b
319
c
159
d
558
e
80
f
398
6
Add these numbers
116 + 232
a
348
b
928
c
0
d
696
e
464
f
812
7
Add these numbers
103 + 666
a
769
b
513
c
1,794
d
1,538
e
1,282
f
256