3-Digit by 2-Digit Multiplication | Math with Mr. J

In No.1, why do we need to line up 9 and 4?

• 9 and 4 are both in ones place. 

• 4 and 9 are both in tens place. 

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In No.1, why do we need to line up 3 and 5?

• 3 and 5 are both in hundreds place. 

• 3 and 5 are both in tens place. 

Tags

CCSS.2.NBT.B.7

In No.1, what does the digit 5 stand for?

• 5

• 50

• 500

Tags

CCSS.4.NBT.A.1

In No.1, what do you need to do before multiplying 239 by 50?

• Add a '0' below 6. 

• Add a '0' below 5. 

• Add two zeros below the number 956. 

Tags

CCSS.5.NBT.B.5

Calculate the product.

a.   364 x 46

• 17744

• 16744

Tags

CCSS.4.NBT.B.5

Calculate the product.

b.   592 x 68

• 40256

• 40156

Tags

CCSS.5.NBT.B.5

Calculate the product.

c. 38 x 816

• 31008

• 30008

Tags

CCSS.5.NBT.B.5

Calculate the product.

d. 86 x 904

• 77444

• 77744

Tags

CCSS.5.NBT.B.5