The video tutorial explores different methods of multiplication, starting with multiplying 4 by 80. It introduces the concept of breaking down numbers to simplify multiplication using patterns, such as multiplying by 10, 100, and 1000. The tutorial demonstrates how to decompose numbers to make calculations easier and highlights the pattern of adding zeros when multiplying by powers of ten. Through examples, it shows how to apply these patterns to solve multiplication problems efficiently.

What is the result of multiplying 4 times 80?

• 320

• 400

• 240

• 280

Tags

CCSS.4.NBT.B.5

How can 80 be broken down to simplify the multiplication with 4?

• 16 times 5

• 4 times 20

• 2 times 40

• 8 times 10

Tags

CCSS.3.OA.C.7

What is the result of 32 times 10 using the pattern for multiplying by 10?

• 350

• 300

• 360

• 320

Tags

CCSS.3.OA.C.7

Why does the pattern for multiplying by 10 work?

• Because we multiply the number by 2

• Because we divide the number by 10

• Because we subtract 10 from the number

• Because we add a zero to the end of the number

Tags

CCSS.3.OA.D.9

How can 300 be broken down to simplify the multiplication with 6?

• 50 times 6

• 100 times 3

• 150 times 2

• 200 times 1.5

Tags

CCSS.5.NBT.B.5

What is the result of 300 times 6 using the pattern for hundreds?

• 1800

• 1600

• 2000

• 2400

Tags

CCSS.5.NBT.B.5

How can 7000 be broken down to simplify the multiplication with 7?

• 70000 times 0.1

• 70 times 100

• 7 times 1000

• 700 times 10

Tags

CCSS.4.NBT.B.5

What is the result of 7 times 7000 using the pattern for thousands?

• 43000

• 45000

• 47000

• 49000

Tags

CCSS.5.NBT.B.5

What is the result of 9 times 50 using the pattern for tens?

• 450

• 500

• 400

• 350

Tags

CCSS.4.NBT.B.5

What is the result of 9 times 5000 using the pattern for thousands?

• 55000

• 40000

• 50000

• 45000

Tags

CCSS.5.NBT.B.5