Exploring Partial Products in Multiplication

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

• Draw a rectangle

• Expand the numbers

• Multiply the numbers directly

• Add the partial products

Tags

CCSS.4.NBT.B.5

In the partial products method, what should you do after expanding the number?

• Draw a rectangle

• Distribute the multiplier

• Add the numbers

• Rewrite the problem

Tags

CCSS.4.NBT.B.5

Why is it important to line up place values in the partial products method?

• To use fewer steps

• To make multiplication easier

• To avoid rewriting partial products

• To make the problem look neat

Tags

CCSS.4.NBT.B.5

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

• Add the partial products

• Distribute the multiplier

• Expand the numbers

• Draw a rectangle

Tags

CCSS.4.NBT.B.5

When solving 123 x 8 using partial products, what is the partial product of 8 x 100?

• 160

• 24

• 123

• 800

Tags

CCSS.4.NBT.B.5

How many partial products are there when multiplying a number in the thousands?

• Two

• Five

• Four

• Three

Tags

CCSS.4.NBT.B.5

What is the partial product of 5 x 200 when solving 1236 x 5?

• 1000

• 30

• 5000

• 150

Tags

CCSS.4.NBT.B.5

What should you do if your partial products are not lined up correctly?

• Add two numbers at a time

• Rewrite the entire problem

• Multiply again

• Skip the problem

Tags

CCSS.4.NBT.B.6

What is the estimated product of 3569 x 4 when rounded to the nearest thousand?

• 14000

• 18000

• 12000

• 16000

Tags

CCSS.4.NBT.B.5

What is the actual product of 5213 x 6 using partial products?

• 34000

• 32760

• 31278

• 30000

Tags

CCSS.5.NBT.B.5