Mastering Two-Digit Addition with a Hundreds Chart

What is the first number used in the addition problem demonstrated in the video?

• 100

• 57

• 23

• 34

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many tens does the number 34 contain?

• 4

• 2

• 3

• 5

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the sequence of adding tens in the demonstration?

• 30, 40, 50

• 10, 20

• 20, 30, 40

• 10, 20, 30

Tags

CCSS.1.NBT.C.5

After adding tens, how many ones are added to reach the final sum?

• 4

• 3

• 6

• 5

Tags

CCSS.2.NBT.B.6

What is the final result of the addition problem 23 + 34?

• 58

• 56

• 57

• 55

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5