Surface area and volume are different types of measurement – surface area is the total area of the faces and is measured in square units, and volume is the space within the shape and is measured in cubic units. Calculating surface area instead of volume The volume of a rectangular prism is the product of its length ( ), width ( ), and height ( ).\text Notice how the number value for the volume is very different, but this is only because it was calculated in different units – not because their actual volumes are different. Since rectangular prisms are 3 dimensional shapes, the space inside them is measured in cubic units. New York State Common Core Math Module 5, Grade 5, Lesson 7 Common Core Standards: 5.MD.3, 5.MD.5 Lesson 7 Problem Set Geoffrey builds rectangular planters. The volume of a rectangular prism is the amount of space there is within it. Videos, examples, solutions, and lessons to help Grade 5 students learn how to solve word problems involving the volume of rectangular prisms with whole number edge lengths.
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