What do you notice? What do you wonder?

1. Tyler uses this base-ten diagram to find the value of .

   

   1. Where is the 36 in Tyler's diagram?
   2. Where is the 4 in his diagram?
   3. What is the value of ?

2. Tyler makes a diagram to find the value of .

   Explain or show how his diagram helps him find the value of .

   

1. Priya draws a base-ten diagram to multiply . She says it shows that the product can be found by adding 300 and 18.

   

   1. Where do you see 6 and 53 in Priya’s diagram?
   2. Where do you see 300 and 18 in her diagram? What do they represent?

2. Han draws this diagram to multiply :

   

   Where do you see 300 and 18 in his diagram? What do they represent?
3. Which diagram do you prefer for multiplying : Han’s way or Priya’s way? Explain your reasoning.

4. Find the value of .

5. Draw a diagram to represent each multiplication expression. Then find the value of each product.