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# Details for problem "Columnar addition with blanks"

Quickname: 1442

Elementary School, Primary School, Middle School.

## Summary

Blanks in columnar addition to be filled in correctly.

## Description

A columnar addition problem with positive natural numbers is shown, the both the summands and the sum. Some places have been replaced by blanks. These have to be filled in correctly.

The number of summands and the number of the summands' places can be chosen.

With respect to carries, it may be specified that

• no carries may occur
• carries may only occur every other digit, so that a column where a carry has been added will never produce another carry
• carries may randomly occur.

Optionally, the numbers to be filled in can be shown in the form of a sorted list.

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## Customization options for this problem

Parameter
Possible values
Number of problems
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Number of summands
2, 3, 4
Summand places
1, 2, 3, 4, 5
Carries
never, max every other digit, yes
Show numbers to be filled in
Yes, No

## dw-Math worksheet templates that do contain this problem

Name
Title
Description
Seven problems on columnar addition with an increasing level of difficulty.

## Other types of problems that appear on worksheets with this problem:

Relevance
Name
Description
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