3-Act Task Finding the Area of Rectilinear Figures (3.MD.3.7d)

3-Act Task Finding the Area of Rectilinear Figures (3.MD.3.7d)
3-Act Task Finding the Area of Rectilinear Figures (3.MD.3.7d)
3-Act Task Finding the Area of Rectilinear Figures (3.MD.3.7d)
3-Act Task Finding the Area of Rectilinear Figures (3.MD.3.7d)
3-Act Task Finding the Area of Rectilinear Figures (3.MD.3.7d)
3-Act Task Finding the Area of Rectilinear Figures (3.MD.3.7d)
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ACT 1 shows a diagram of a rectilinear park with no measurements.
Students write what they notice and what they wonder at the top.
The teacher should guide students toward the following math questions:
What is the area of the park?
What is the perimeter of the park?
Students should then ask for needed information to answer those questions at he bottom of page 1.
When asked, the teacher will provide ACT 2 which is the picture with measurements.
Students must use this information to calculate area and perimeter of the park.
The teacher should ask questions to guide students through problem solving.
Guide students to divide the complex shape into smaller rectangles, find the area of each, and add them back together to find the total area.
Have students who are having success share their strategies with the other groups.
The teacher should try to only ask guiding questions during this task.
If all are struggling, provide with the extra support page (includes all side measurements) or provide a small mini lesson on the area formula.
Total Pages
3 pages
Answer Key
Not Included
Teaching Duration
45 minutes
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