Fishtank Learning

5th Grade Math
Unit 6: Multiplication and Division of Decimals
Lesson 23

Objective

Solve real-world problems involving measurement conversions.

Anchor Tasks - Problem 1

Act 1: Watch the video The Fish Tank (Act 1).

a.   What do you notice? What do you wonder?

b.   How long will it take to fill the fish tank? Make an estimate.

Anchor Tasks - Problem 2

Act 2: Use the following information to determine how long it will take to fill up the fish tank.

  • It takes 10 seconds to fill 1 cup.
  • The dimensions of the fish tank are:

  • A quart is 58 cubic inches.

Anchor Tasks - Problem 3

Act 3: Watch the video The Fish Tank (Act 3) to see how long it took to fill the fish tank.

Was your estimate reasonable? Why or why not?

Anchor Tasks - Problem 4

Act 4: If you doubled all of the dimensions of the fish tank, how long would it take to fill it?

Problem Set

Target Task - Problem 1

Owen lives 1.2 kilometers from school. Lucia lives 0.86 kilometers from school. Ignacio lives 90 meters from school. If Owen, Lucia, and Ignacio all walk to and from school, how far, in kilometers, did they all walk in total?

Target Task - Problem 2

Manouel is driving to visit his brother. He listens to a podcast on the way that is 57 minutes long. The drive to his brother’s house is $$1\tfrac{3}{4}$$ hours long. How much longer, in minutes, is the drive than the podcast?

Word Problem

Joann’s restaurant has 6.95 pounds of ribs leftover at the end of the week. They purchase 5 racks of ribs that each weigh 12.5 pounds. The restaurant cuts the ribs into portions that each weigh 1.5 pounds. How many portions of ribs does the restaurant have?