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:

- Check the two boxes in the figure below to see the angles and side lengths.
- Drag the blue points around to see different types of a parallelogram.
- Turn on the grid for a detail representation.

**Activity #1** (30 minutes)

1. Topic: Classify quadrilaterals I(Applet).

2. Explainer Video: Classify quadrilaterals I.

**Practice Exercise** (30 minutes).

Topic: Classify quadrilaterals I.

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

Topic: Classify quadrilaterals I (to be taken while you are logged in).

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

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