Lesson 15: Identify congruent figures

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. 

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Warmup: Study the triangles below and list all the triangles that are scaled copies in the table. Record the side lengths that correspond to the side lengths of Triangle O listed in each column.

Activity #1 (30 minutes)

1. Topic: Identify congruent figures(Applet).

2. Explainer Video: Identify congruent figures.

Practice Exercise (30 minutes).

Topic: Identify congruent figures.

Quiz Time – (Two sets: 30 minutes).

Topic: Identify congruent figures (to be taken while you are logged in).

  1. An applet.
  2. An explainer video on "Identify congruent figures".
  3. A skills exercise from the IXL website on "Identify congruent figures". The questions exhibit an increasing order of difficulty. 
  4. Two sets of quizzes on "Identify congruent figures". The questions exhibit an increasing order of difficulty, and an average score of 80% expected.