Multiplying Two-Digit by One-Digit Numbers

The video tutorial explains how to use an area model and an open array to solve multiplication problems. It demonstrates the multiplication of 13 by 2 using both methods, showing how to break down numbers into tens and ones to find partial products. The tutorial concludes with a final calculation and emphasizes understanding the value of tens and ones in multiplication.

What is the value of the folders in the area model?

• One

• Three

• Four

• Two

Tags

CCSS.4.NBT.B.5

How many ones are there in the value of the sheets of paper?

• Four

• Three

• Two

• One

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the product of 1 one multiplied by 1 ten?

• 20

• 1

• 10

• 11

Tags

CCSS.3.NBT.A.3

What is the value of the tens in the area model?

• 20

• 40

• 10

• 30

Tags

CCSS.5.NBT.B.7

What is the composition of the number 13 in the open array?

• 3 tens and 1 one

• 1 ten and 2 ones

• 2 tens and 3 ones

• 1 ten and 3 ones

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the product of 10 multiplied by 2 in the open array?

• 30

• 20

• 10

• 40

Tags

CCSS.4.NBT.B.5

What is the result of multiplying 2 ones by 3 ones?

• 6

• 5

• 3

• 2

Tags

CCSS.3.OA.A.1

What is the final product when you add the partial products 20 and 6?

• 25

• 26

• 27

• 24

Tags

CCSS.5.NBT.B.5