G2wcp.Math: M4.Lesson19

Module 4 - Lesson 19

We can relate disks and dots to the Vertical Form

Multiple Choice

Flashback #1

What is the digit in the tens place in the number 345?

• 3

• 4

• 5

Multiple Choice

Flashback #2:

In the number 345, what is the value of the digit in the tens place?

(Clue: 4 tens = ?)

• 4

• 40

• 45

• 400

Multiple Choice

Flashback #3:

In the number 824, what is the digit in the hundreds place?

• 8

• 2

• 4

Multiple Choice

Flashback #4:

In the number 824, what is the value of the digit in the hundreds place?

• 8

• 400

• 800

• 824

Poll

Did you remember how to answer the questions we just did?

• Yes, I remembered!

• I remember a little, but I forgot.

• I had no idea.

Fill in the Blank

86 + 55 = _

Fill in the Blank

125 + 35 = _

Fill in the Blank

28 + 91 = _

Fill in the Blank

97 + 35 = _

Fill in the Blank

47 + 85 = _

Fill in the Blank

177 + 23 = _

Multiple Select

Select all of the true statements when solving 28+91.

• I composed a ten by bundling 10 ones.

• I composed a hundred by bundling 10 tens.

Multiple Select

Select all of the true statements when solving 97+35.

• I composed a ten by bundling 10 ones.

• I composed a hundred by bundling 10 tens.

Poll

How do you feel about bundling ones and bundling tens?

• This is easy.

  =)

• I can do it. I just need more practice.

  =/

• This is not easy. I have no idea.

  =(