Headline Story
Geometry, #9
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Introduction
Read the Headline Story to the students.
Headline Story
Joshua made a rectangular array using 15 square tiles. Next, he made a model of a one-story building by putting 1 cube on each tile. Then he added more stories to his building by putting more cubes on top of previous layers of cubes. What can you say about Joshua’s model?
Possible student responses
- The area of Joshua’s array is 15 square units.
- He could have made a 3-by-5 rectangle or a 1-by-15 rectangle with the square tiles.
- Joshua used 15 cubes for each story of his building.
- The volume of the one-story building was 15 cubic units.
- Two stories have a column of 30 cubic units, and 3 stories have a column of 45 cubic units.
- Joshua created a rectangular prism.
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