Multiplication Using the Expanded Form

The video tutorial explains how to multiply a one-digit whole number by a multi-digit whole number using the expanded form method. It begins with a brief overview of basic multiplication methods like repeated addition and visual arrays, then introduces the expanded form technique. An example of multiplying 6 by 437 is provided, breaking down the number into its place values and calculating the product step-by-step. The lesson concludes with a summary of the expanded form multiplication process.

Which of the following methods can be used to multiply a single-digit number by another single-digit number?

• Using subtraction

• Using subtraction and division

• Using repeated addition

• Using division

What is a limitation of using repeated addition for multiplication?

• It is too fast for small numbers

• It is not suitable for multiplying by multi-digit numbers

• It requires a calculator

• It only works for even numbers

What is the first step in using the expanded form to multiply 6 by 437?

• Break down 437 into 400, 30, and 7

• Add 6 to 437

• Multiply 6 by 7

• Multiply 6 by 400

How do you calculate 6 multiplied by 400 using the expanded form?

• Multiply 6 by 400 directly

• Multiply 6 by 40

• Multiply 6 by 4 and add two zeros

• Multiply 6 by 4 and add one zero

What is the final result of multiplying 6 by 437 using the expanded form?

• 2400

• 180

• 2622

• 42