Mathematics (2019) Grade(s): 3

MA19.3.24

Construct rectangles with the same perimeter and different areas or the same area and different perimeters.

Unpacked Content

Knowledge

Students know:
  • Perimeter is a measurable attribute of rectangles.
  • Area is a measurable attribute of rectangles.

Skills

Students are able to:
  • Construct rectangles with a given perimeter.
  • Construct rectangles with a given area.
  • Construct rectangles with the same perimeters but differing areas.
  • Construct rectangles with the same areas but differing perimeters.

Understanding

Students understand that:
  • Perimeter and area are measurable attributes of rectangles.
  • Perimeter is the distance around a figure found by adding side lengths.
  • The area of a plane figure is measured by the number of square units that cover the interior space of the rectangle.

Vocabulary

  • Perimeter
  • Area
  • Side length
  • Side measure

Aligned Learning Resources

Perimeter StudyJam
Meet the Candidates
Multiplicative Comparisons at the Giant's Door
Multiplying a Vector by a Scalar
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