Use Repeated Addition
Est. Class Sessions: 2–3Summarizing the Lesson
After reading and discussing A World of Cubic Animals direct students’ attention to the Comparing Ruffy and the Snake pages in the Student Activity Book. Each student should work independently to complete Questions 1–4. One purpose of this assessment is to understand students’ reasoning process. For example, do they understand that volume is not necessarily greater because an object is longer or taller?
Use Compare Ruffy and the Snake pages in the Student Activity Book to assess students’ abilities to solve problems involving volume using skip counting and repeated addition [E1], recognize that different shapes can have the same volume [E5], and justify visual and spatial reasoning using properties of volume [E6].
Targeted Practice. Six animals and Manuel are represented as cube models in the story A World of Cubic Animals. Student pairs can build and find the volume of Manuel and the cubic animals illustrated in the story and record the information on the class data table as shown in Figure 2. They can display their models labeled with the name of the animal and the volume in cubic units.
Figure 2: Volumes of characters in the A World of Cubic Animals story
