Lesson: Dot Product in 2D Mathematics

In this lesson, we will learn how to find the dot product of two vectors in 2D.

Lesson Plan

Objectives

Students will be able to

  • find the dot product of two vectors in 2D, given in component form or represented graphically,
  • understand and use the formula for a dot product to solve problems,
  • understand the geometric interpretation of a dot product in 2D,
  • validate whether two 2D vectors are perpendicular using the dot product.

Prerequisites

Students should already be familiar with

  • finding the magnitude of a vector in 2D,
  • vector operations in 2D.

Exclusions

Students will not cover

  • finding the angle between two vectors in 2D using the dot product.

Lesson Video

Video Thumbnail
14:58

Lesson Explainer

Sample Question Videos

  • 01:34
  • 01:41
  • 04:48

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