Two-Dimensional Shapes and Perimeter

Two-Dimensional Shapes and Perimeter

Two-Dimensional Shapes and Perimeter

Develop geometric reasoning about polygons and solve perimeter and simple area problems using shape attributes and indirect measurement.

Two-Dimensional Shapes and Perimeter

Paid once.

Level
Beginner
Ages
7–12
Duration
50 min
Classes
3 / Week
Weeks
4

Class Experience

This course uses the Illustrative Mathematics module to study attributes of triangles, quadrilaterals, and other polygons while practicing perimeter and area problem solving. Lessons emphasize reasoning from shape attributes, comparing perimeters and areas, and applying those ideas to design-style tasks and applied problems.

Learning Outcomes

  • Reason about attributes of triangles, quadrilaterals, and other polygons

  • Solve problems involving perimeter and area of simple polygons

  • Use shape attributes to determine unknown side lengths and perform indirect measurement

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Meet your Instructor

Joined August, 2026

4.6

90

Reviews

10+

Years

350+

Students

With over 10 years of classroom and college-level teaching experience, this educator holds a master’s degree in math education and additional graduate coursework in mathematics. Lessons focus on geometric reasoning, right-triangle trigonometry, two-dimensional measurement, and da…

Reviews

4.7

64 reviews for this class

Ratings are specific to this class, not the teacher's overall profile.

Only reviews with written feedback are shown below.

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