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Grade 1-2

2D Shapes Everywhere: Triangles and more!

by Ariella F. | Math

5 Lessons 51:21
  1. 1. Introduction: What Are Shapes? 8:22
  2. 2. Circles 7:28
  3. 3. Triangles 14:07
  4. 4. Quadrilaterals 9:23
  5. 5. Bringning It All Together 12:01

Grade 1-2



In this course, we explore what makes 2D shapes unique, and its relationship with similar figures. A lot of focus is put on the different types of triangles and quadrilaterals, which can be difficult to identify by picture. We also emphasize that shapes are found all around us, which helps make the concept more interactive.


  • Circles
  • Math
  • Quadrilaterals
  • Shapes
  • Triangles


I’m a sophomore Economics major at Barnard College. I previously attended Montclair High School and have been tutoring for six years. I have done private tutoring as well as Barnard Peer-to-Peer tutoring. I am organized and creative, so I can consistently think of new ways to explain the material. I also am approachable and encouraging, so students will feel comfortable interacting with me. I begin my tutoring sessions gathering the problems the student had the greatest difficulty with and after reviewing these I create practice exams from a mix of their past problem sets, problems I find online, and problems I make up to target specific areas the student is struggling with.

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