Eureka 2.15

Application Problem

Mr. Mohr wants to build a rectangular patio using concrete tiles that are 1 square foot. The patio will measure 13.5 feet by 43 feet.

​

What is the area of the patio?

How many concrete tiles will he need to complete the patio?

Don't forget the measurements!

​What's a reasonable estimate for 7.38 X 41?

Solve on your whiteboard!

Poll

Will our estimate be more or less than the actual product?

• More

• Less

Why did you pick your answer?

Turn and Talk

Let's solve 7.38 X 41 together.

Solve using standard algorithm.

Evens

Solve using an area model.

Odds

Let's solve one more - 8.26 X 128.

Stretch your brain! Even if it's not your favorite method, try it anyway. Growth mindset!

Poll

Agree or Disagree:

If I can multiply whole numbers, I can multiply decimals.

• Strong Agree

• Small Agree

• Small Disagree

• Strong Disagree