3 And 4 Digit by 4 Digit Multiplication Worksheet

                    Lesson 1

Problem:                  

1345

X 432

                                                                                           2690

                                                                                   +   4035X

5380XX

                                                                                      581040

Solution                    Start with the product of 2 from under ones place.

                                                            Step 1:                           .

Solution                    Take the product of 3 from under the tens place.

Step 2:                        Place a 0 in the ones column.

                                                                                                The example shows an X.

Solution                    Take the product of 4 from under hundreds place.

Step 3:                        Place a 0 in the ones and tens column.

                                                                                                The example shows an XX.

                                                            Solution                    Add all these products.

Step 4:

                                                            Solution                     required answer = 581040  

Step 5:

                                                            Complete      

                                                            Try two practice problems:  

A.   1672                  B.   3247

X  312 X 334

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