This Fluency Activity is a part of the Lesson 7, Unit 5, Grade 5. This fluency exercise reviews Lesson 5. Images not drawn to scale. On your personal white board, write the formula for finding the volume of a rectangular prism. Project a rectangular prism with a length of 5 cm, width of 6 cm, and height of 2 cm. Write a multiplication sentence to express the volume of the rectangular prism.