Expanded Algorithm for Multiplication Quiz

What is the first step in understanding the expanded algorithm for multiplication?

• Memorizing multiplication tables

• Understanding partial products

• Learning division techniques

• Practicing addition

In the expanded algorithm, what is the result of multiplying 7 by 3 in the example 37 * 3?

• 21

• 10

• 30

• 37

How do you express 37 in expanded form for the multiplication example 37 * 3?

• 30 + 3

• 30 + 7

• 3 + 7

• 37 + 0

What is the final product of 37 * 3 using the expanded algorithm?

• 111

• 130

• 90

• 120

In the example 84 * 5, what is the result of multiplying 80 by 5?

• 400

• 420

• 520

• 500

Why is it important to align ones, tens, and hundreds in the expanded algorithm?

• To ensure accuracy in addition

• To make the calculation faster

• To avoid using the area model

• To simplify the multiplication

In the example 64 * 4, what is the result of multiplying 4 by 60?

• 280

• 300

• 260

• 240

What is the final product of 64 * 4 using the expanded algorithm?

• 264

• 256

• 240

• 280

What is the key takeaway for using the expanded algorithm effectively?

• Drawing an area model every time

• Practicing division techniques

• Using expanded form for all numbers

• Memorizing all multiplication tables

What should you do if you need more support while using the expanded algorithm?

• Skip the problem

• Draw an area model

• Use a calculator

• Ask a friend