Exploring Place Value in Addition

The video tutorial explains the concept of place value using the number 23, highlighting the tens and ones places. It then demonstrates how to add 30 to 23, showing the step-by-step process of adding tens and ones to arrive at the sum of 53.

What does the digit 2 represent in the number 23?

• 20

• 2 ones

• 200

• 2 hundreds

Tags

CCSS.4.NBT.A.1

How many ones are there in the number 23?

• 5

• 23

• 2

• 3

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the total value of three ones?

• 13

• 300

• 30

• 3

Tags

CCSS.2.NBT.A.1B

What does the digit 3 represent in the number 23?

• 300

• 3 ones

• 30

• 3 tens

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

When adding 30 to 23, how many tens are added?

• 2

• 3

• 5

• 30

Tags

CCSS.1.NBT.C.5

What is the result of adding 30 to 23?

• 53

• 50

• 323

• 33

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many tens does the number 53 have?

• 8

• 53

• 3

• 5

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How many ones does the number 53 have?

• 8

• 0

• 5

• 3

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the value of two tens plus three tens?

• 23

• 5

• 50

• 33

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

After adding 30 to 23, how many ones remain?

• 30

• 3

• 33

• 0

Tags

CCSS.2.NBT.B.6