Exploring Partial Products in 2-Digit Multiplication

What method is being introduced for multiplying two-digit numbers?

• Lattice method

• Area model

• Partial products

• Standard algorithm

Tags

CCSS.4.NBT.B.5

What is the first step in solving multiplication using the area model?

• Add the products

• Multiply the units

• Draw a rectangle

• Expand the numbers

Tags

CCSS.4.NBT.B.5

What is the purpose of expanding numbers in both methods?

• To increase accuracy

• To simplify addition

• To reduce the number of steps

• To make multiplication easier

Tags

CCSS.4.NBT.B.5

How does the partial products method differ from the area model?

• Partial products use a vertical setup

• Partial products use a horizontal setup

• Partial products require drawing rectangles

• Partial products do not require number expansion

Tags

CCSS.4.NBT.B.5

What is the final step in both the partial products and area model methods?

• Expanding numbers

• Adding the partial products

• Multiplying the digits

• Drawing a rectangle

Tags

CCSS.4.NBT.B.5

In the example 43 times 12, what is the product obtained using both methods?

• 488

• 532

• 624

• 516

Tags

CCSS.5.NBT.B.5

What is emphasized about the alignment of numbers when adding partial products?

• No alignment needed

• Align by place values

• Align by tens

• Align by units

Tags

CCSS.4.NBT.B.5

What is the product of 33 times 82 using both methods?

• 2706

• 2640

• 2568

• 2794

Tags

CCSS.5.NBT.B.5

Why is it important to see the same multiplication problems in both the area model and partial products?

• To use less paper

• To speed up the process

• To make it easier

• To ensure accuracy

Tags

CCSS.4.NBT.B.5

In the word problem, how many total seats were available at the football game?

• 548

• 578

• 568

• 558

Tags

CCSS.1.OA.A.1