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Lydia Baker

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K20 Center

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Mathsbot is a free educational website that provides digital manipulatives to use in your Pre-K - Algebra 2 classroom. Read more »

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Do Three Sides Make a Right?

Converse of the Pythagorean Theorem and Inequality Theorems

Grade Level Grade Level

  • 9th - 12th

In this lesson, students will discover how to determine if any three side lengths make a triangle through a GeoGebra activity. Then, students will formalize their knowledge of the Converse of the Pythagorean Theorem before applying their knowledge through a Card Matching activity and a real-world scenario. Read more »

Lesson 5E Lesson
Do Three Sides Make a Right?

Converse of the Pythagorean Theorem and Inequality Theorems

Grade Level Grade Level

  • 9th - 12th

Course Course

  • Geometry

Subject Subject

  • Mathematics

Copied To Clipboard Standards

  • G.RT.1.1
More 1-2 class period(s)
Time Frame 60-75 minutes
Risk and Reward

Discrete Random Variables and Probability Distribution

Grade Level Grade Level

  • 11th - 12th

In this lesson, students will calculate the probability of a discrete random variable and represent the probability distribution as a table and histogram. Then, they will determine the mean and standard deviation using the probability distribution. Read more »

Lesson 5E Lesson
Risk and Reward

Discrete Random Variables and Probability Distribution

Grade Level Grade Level

  • 11th - 12th

Course Course

  • AP Statistics, Statistics

Subject Subject

  • ICAP, Mathematics

Copied To Clipboard Standards

  • 4.7
More 2-3 class periods
Time Frame 105 minutes
Prove Me Wrong

Two-Column and Paragraph Proofs

Grade Level Grade Level

  • 9th - 10th

In this lesson, students will use legal, game, and content based methods to understand how to create proofs. Read more »

Lesson 5E Lesson
Prove Me Wrong

Two-Column and Paragraph Proofs

Course Course

  • Geometry

Subject Subject

  • ICAP, Mathematics

Grade Level Grade Level

  • 9th - 10th

Copied To Clipboard Standards

  • G.RL.1.1
More 1-2 class periods
Time Frame 115 minutes