1. Lesson 2-4 Example 4 2-4 Solve. PACKAGING A cereal box that is shaped like a rectangular prism has a length of 5 centimeters, a width of 4 centimeters, and a height of 10 centimeters. What is its volume?

2. Lesson 2-4 Example 4 2-4 Understand Read the problem. Write what you know. A cereal box has a length of 5 centimeters, a width of 4 centimeters, and a height of 10 centimeters.

3. Lesson 2-4 Example 4 2-4 Plan Pick a strategy. One strategy is to use a model.

4. Lesson 2-4 Example 4 2-4 Solve Use unit blocks to build the rectangular prism. Count the number of blocks used.

5. Lesson 2-4 Example 4 2-4 Check The length is 5 centimeters. The width is 4 centimeters. There are 10 layers. Multiply, then add. 5  4 = 20 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 + 20 = 200 The volume of the rectangular prism is 200 cubic centimeters.