Look at Figure 1. What is the area of the rectangle? What does area describe?
Can you calculate the volume of Figure 1? Why or why not?
Possible response: no, because it is not a 3-dimensional figure.
How can you find the volume of Figure 2?
How many cubes are in the first layer? How do you know?
30. Possible explanation: there are 6 cubes along the length and 5 cubes along the width, and
What is the first layer called?
How many layers are there?
What is the name for the number of layers?
Using the base and height, what addition expression can you write to find the volume? What multiplication expression can you write?
What is the volume?
Notice that Figure 2 is part of Figure 3. How can you find the volume of Figure 3?
Possible response: split Figure 3 into two rectangular prisms and add their volumes.
What is the volume of the second prism in Figure 3? Support your answer.
What is the volume of Figure 3?
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