3rd grade PARCC Water Tank Problem
Created 3 years ago
Duration 0:07:28
10
This example helps students think through, and solve, a problem involving multiplication and subtraction across zeros.

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Slide 1  3rd grade parcc preparation
 Water tank problem

Slide 2  Part a
 On a farm, there is a large storage tank that holds water.
 Each day in May, 60 liters of water are used on the farm. What is the total amount of water, in liters, used on the farm in 7 days?

Slide 3  workspace

Slide 4  Part a
 On a farm, there is a large storage tank that holds water.
 Each day in May, 60 liters of water are used on the farm. What is the total amount of water, in liters, used on the farm in 7 days?

Slide 5  Part b
 The storage tank holds 500 liters of water when full.
 During the first 5 days in January after the tank was filled, 386 liters of water was used on the farm.
 What is the amount of water, in liters, that remains in the tank after those 5 days?

Slide 6  workspace

Slide 7  Part b
 The storage tank holds 500 liters of water when full.
 During the first 5 days in January after the tank was filled, 386 liters of water was used on the farm.
 What is the amount of water, in liters, that remains in the tank after those 5 days?