Lesson 3: Area of triangles and trapezoids

Before you have access to this lesson from the links below, click on “Materials” to see what’s covered. The exercise is expected to last for not more than 1 hour 3o minutes, and please, be ready to complete this lesson in ONE session. If you haven’t signed up for the IXL SKILLS package, the temporal login info that you purchase from the link below, will be valid for 48 hours. 

For temporal access: Click here.

Warmup: Draw an example of a right triangle with an area of 6 square units.

Activity #1 (30 minutes)

1. Topic: (Applet).

2. Explainer Video: Area of triangles and trapezoids.

Practice Exercise (30 minutes).

Topic: Area of triangles and trapezoids.

Quiz Time – (Two sets: 30 minutes).

Topic: Area of triangles and trapezoids(to be taken while you are logged in).

  1. An applet.
  2. Explainer video on "Area of triangles and trapezoids".
  3. Exercise questions on "Area of triangles and trapezoids". The questions exhibit an increasing order of difficulty. 
  4. Two sets of quizzes on "Area of triangles and trapezoids". The questions exhibit an increasing order of difficulty, and an average score of 80% expected.