Multiplication Methods for Two-Digit Numbers

The video tutorial explains the progression of learning to multiply two-digit numbers. It starts with the area model, a visual tool to help children understand multiplication by decomposing numbers. As skills improve, students transition to the partial products method, which emphasizes the actual value of numbers. Finally, by the end of fourth grade, students learn the standard algorithm, which requires a deeper understanding of multiplication. The tutorial stresses the importance of developing a conceptual understanding before using the standard algorithm.

What is the initial method used to teach children how to multiply two-digit numbers?

• Standard algorithm

• Partial products

• Area model

• Long division

What does the area model help illustrate?

• How to subtract numbers

• How to divide numbers

• How to add numbers

• How to decompose numbers and find products

What method is introduced after the area model?

• Standard algorithm

• Partial products

• Long division

• Addition

In the partial products method, what is the first step in solving 43 * 56?

• Multiply tens by tens

• Multiply ones by ones

• Multiply ones by tens

• Multiply tens by ones

What is the final step in solving 43 * 56 using partial products?

• Multiply ones by tens

• Multiply ones by ones

• Multiply tens by tens

• Multiply tens by ones

What is the first multiplication step in the partial products method?

• Ones times ones

• Tens times tens

• Tens times ones

• Ones times tens

What is the main advantage of using partial products?

• It is easier to understand

• It is faster

• It removes the pictorial step

• It emphasizes the actual value of numbers

What is emphasized in the partial products method?

• Speed

• Accuracy

• Actual value of numbers

• Simplicity

By the end of fourth grade, which method will children use to multiply?

• Area model

• Partial products

• Standard algorithm

• Long division

What is the purpose of the standard algorithm?

• To teach subtraction

• To develop a concrete understanding

• To develop an abstract understanding

• To simplify addition