1. ### Determining the Perimeter of a Polygon (Series and Activity 1)

• Resource ID: TEKS12_MATH_03_001
• Subject: Math

This activity provides an opportunity for students to investigate the perimeter of polygons.

2. ### Parallel and Intersecting Lines

• Resource ID: TEKS12_MATH_04_001
• Subject: Math

This activity provides an opportunity for students to build an understanding of parallel and intersecting lines.

3. ### Exploring the Ratio of Circumference to Diameter

• Resource ID: TEKS12_MATH_07_003
• Subject: Math

This activity provides an opportunity for students to explore the ratio of the circumference of its circle to the length of its diameter in order to generalize the ratio for pi.

4. ### Area of Triangles, Parallelograms, and Trapezoids

• Resource ID: TEKS12_MATH_06_002
• Subject: Math

These activities provide an opportunity for students to explore the area formulas for triangles, trapezoids, and parallelograms.

5. ### Reflections

• Resource ID: TEKS12_MATH_07_001
• Subject: Math

These activities provide an opportunity for students to explore reflections both on and off of a coordinate plane.

6. ### Translations

• Resource ID: TEKS12_MATH_07_002
• Subject: Math

These activities provide an opportunity for students to explore translations both on and off of a coordinate plane.

7. ### Dilations

• Resource ID: TEKS12_MATH_08_001
• Subject: Math

These activities provide an opportunity for students to explore dilations both on and off of a coordinate plane.

8. ### 8.01 Introduction to Confidence Intervals

• Resource ID: SE131001
• Subject: Math

In this video, students will be introduced to the construction and interpretation of confidence intervals.

9. ### 8.02 Confidence Interval for One Mean

• Resource ID: SE131002
• Subject: Math

In this video, students will learn to construct a confidence interval for a population mean.

10. ### 8.03 Visualizing a Confidence Interval

• Resource ID: SE131003
• Subject: Math

In this video, students will learn to visualize the construction of a confidence interval.

11. ### 8.04 Interpreting Confidence Intervals

• Resource ID: SE131004
• Subject: Math

In this video, students will learn to interpret a confidence interval.

12. ### 8.05 Confidence Interval for One Proportion

• Resource ID: SE131005
• Subject: Math

In this video, students will learn to construct and interpret a confidence interval for one proportion.

13. ### 8.06 Factors Affecting the Width of a Confidence Interval

• Resource ID: SE131006
• Subject: Math

In this video, students will explore how the components of a confidence interval affect its width.

14. ### 8.07 Confidence Intervals in the Real World

• Resource ID: SE131007
• Subject: Math

In this video, students will analyze confidence intervals in the real world.

15. ### 7.01 Variability in Sample Proportions, Part 1

• Resource ID: SE131036
• Subject: Math

In this video, students describe and model variability using a binary population distribution and the sampling distribution of a sample proportion.

16. ### 7.02 Variability in Sample Proportions, Part 2

• Resource ID: SE131037
• Subject: Math

In this video, students learn to describe and model variability using a binary population distribution, and the sampling distribution of a sample proportion.

17. ### 7.03 Variability in Sample Means

• Resource ID: SE131038
• Subject: Math

In this video, students describe and model variability using a continuous population distribution, and the sampling distribution of a sample mean.

18. ### 7.04 Using the Central Limit Theorem

• Resource ID: SE131039
• Subject: Math

In this video, students use the central limit theorem to describe variability using a sample mean.

19. ### 9.01 Steps of Hypothesis Testing

• Resource ID: SE131009