Custom math worksheets at your fingertips # Details for problem "Semi-long multiplication by decomposition"

Quickname: 9523

Elementary School, Primary School.

## Summary

Preparation for long multiplication: Multiply by decomposing first factor

## Example ## Description

This problem is a preparation for long multiplication, in which the first factor is broken down into multiples of powers of ten according to its decimal places.

The first given factor has two to three digits, the second factor is always in the range from two to nine. The decomposition is made into the two to three digits of the first factor. The multiplication is then carried out separately for each digit, and the intermediate results for the individual digits are then added up to form the total product.

If desired, the partial products, i.e. the decomposition, can be included in the task definition. An example task that can be turned on or off is illustrating the procedure.

The number of problems can also be set.

Download free printable worksheets for this math problem here. The worksheet contains the problems only, the solution sheet includes the answers. Just click on the respective link.

• Worksheet 1 Solution sheet with answers
• Worksheet 2 Solution sheet with answers
• Worksheet 3 Solution sheet with answers

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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
Second factor
all, 2, 3, 4, 5, 6, 7, 8, 9
Show intermediate products
none, one, random, all
Sample problem
Yes, No

## Similar problems

Remark
Description
Also available in the form of a divisional task
Divide by splitting the dividend.
In the form of a generic written multiplication task
Two factors have to be multiplied using the long multiplication written form.
Multiplication problems with defined number range Deutsche Version dieser Aufgabe
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