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Formal addition: 3-digit numbers
for 3rd grade

Find the missing number for these formal 3-digit plus 3-digit columnar additions

Below is a table showing the first 6 question answer pairs for the topic "Formal addition: 3-digit numbers" as used in the lessons for this topic. Our games and tests for the topic use these 6 items plus 10 additional question answer pairs.

The topic "Formal addition: 3-digit numbers" is in the category Addition for 3rd grade (ages 8 to 9).

1 / 8
In this addition, the missing number is 7
+10627797
7
2 / 8
In this addition, the missing number is 1
+482233751
1
3 / 8
In this addition, the missing number is 2
+339487671
2
4 / 8
In this addition, the missing number is 1
+9914544451
1
5 / 8
In this addition, the missing number is 6
+4654593011
6
6 / 8
In this addition, the missing number is 2
+57763815111
2

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Each of our math topics for elementary are made up of between 6 and 20 question and answer pairs (both the written form and a robot voice speaking those questions and answers). Each topic can be used with all the activities on the site.


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