Multidigit Multiplication

Front

What is multidigit multiplication?

Back

Multidigit multiplication is the process of multiplying numbers that have more than one digit, such as 23 x 45.

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How do you multiply two multidigit numbers?

Back

To multiply two multidigit numbers, you can use the standard algorithm, which involves multiplying each digit of the first number by each digit of the second number and then adding the partial products.

Front

What is a partial product?

Back

A partial product is the result of multiplying a single digit of one number by the entire other number during the multiplication process.

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = Length x Width).

Front

If a soccer field is 117 feet long and 86 feet wide, what is its area?

Back

The area is 117 feet x 86 feet = 10062 square feet.

Front

What is the product of 54 x 326?

Back

The product of 54 x 326 is 17604.

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How do you check your multiplication answer?

Back

You can check your multiplication answer by using the inverse operation, which is division. Divide the product by one of the factors to see if you get the other factor.

Front

What does it mean to line up place values in multiplication?

Back

Lining up place values means arranging the numbers so that digits in the same place value (ones, tens, hundreds) are aligned vertically before multiplying.

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What is the importance of estimating in multiplication?

Back

Estimating helps you to quickly check if your answer is reasonable and can guide you in identifying errors.

Front

What is the formula for finding the total number of seats in a theater?

Back

Total seats = Number of rows x Number of seats per row.