Multi-Digit Multiplication

Front

What is multi-digit multiplication?

Back

Multi-digit multiplication is the process of multiplying numbers that have two or more digits. It involves breaking down the numbers into smaller parts, multiplying them, and then adding the results together.

Front

How do you multiply two numbers using the standard algorithm?

Back

1. Write the numbers one under the other, aligning them by place value. 2. Multiply the bottom number's last digit by each digit of the top number. 3. Write the result below, shifting one place to the left for each new digit. 4. Repeat for each digit of the bottom number. 5. Add all the results together.

Front

What is the product of 783 and 42?

Back

32886

Front

What is the product of 987 and 3105?

Back

3064635

Front

What is the product of 21 and 23?

Back

483

Front

What is the product of 642 and 207?

Back

132894

Front

What is the product of 8709 and 66?

Back

573594

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication across each addend.

Front

What is an example of using the distributive property?

Back

To calculate 6 x (4 + 5), you can use the distributive property: 6 x 4 + 6 x 5 = 24 + 30 = 54.

Front

What is the area model for multiplication?

Back

The area model is a visual way to represent multiplication. You break the numbers into their place values, create a rectangle, and find the area of each section to get the total product.