Lesson Worksheet: Multiplying Two-Digit Numbers by One-Digit Numbers: Area Models Mathematics • 4th Grade

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In this worksheet, we will practice using area models to multiply two-digit numbers by one-digit numbers.

Q1:

This area model can be used to solve .

Find the missing partial product.

Q2:

Find the area of the rectangle using the distributive property.

Q3:

James drew this array to help him calculate by splitting 15 into .

How many squares are in the orange part?

How many squares are in the green part?

Add these numbers to find .

Q4:

A teacher has 34 children in her class. They each need 7 pieces of homework a week. By using the diagram, find how many pieces she will have to set altogether.

Q5:

The following area model can be used to help solve the multiplication problem .

Which expression can be used to represent the number of orange squares?

Which expression can be used to represent the number of red squares?

Q6:

James learned all the one-digit-by-one-digit multiplication facts. He used what he learned, along with the area model shown, to correctly solve the multiplication problem .

Fill in the blanks: He used the multiplication facts and to solve the problem.

What did he get for ?

Q7:

The area model below can be used to help solve the multiplication problem .

Which expression can be used to represent the left part of the model?

Which expression can be used to represent the right part of the model?

Q8:

Emma learned the first ten multiples of 25. She used what she learned along with the following area model to correctly solve the multiplication problem .

Fill in the blanks: The value of the expression represented by the left side of the model is , and the value of the expression represented by the right side is .