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

**Activity #1** (30 minutes)

1. Topic: Triangle Angle-Sum Theorem(Applet).

2. Explainer Video: Triangle Angle-Sum Theorem.

**Practice Exercise** (30 minutes).

Topic: Triangle Angle-Sum Theorem.

**Quiz Time** – (Two sets: 30 minutes).

Topic: Triangle Angle-Sum Theorem (to be taken while you are logged in).

- An applet.
- An explainer video on "Triangle Angle-Sum Theorem".
- A skills exercise from the IXL website on "Triangle Angle-Sum Theorem". The questions exhibit an increasing order of difficulty.
- Two sets of quizzes on "Triangle Angle-Sum Theorem". The questions exhibit an increasing order of difficulty, and an average score of 80% expected.

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