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3:55
Lesson Planet

Factoring Trinomials with a Non-1 Leading Coefficient

For Students 9th - 11th
Here is a complete and clear demonstration of the process needed to factor a trinomial with a non-1 leading coefficient. Sal uses various colors and provides working examples while he factors the simple trinomial. This video would be...
5:36
Lesson Planet

Graphical System of Inequalities

For Students 9th - 11th
If your class has a grasp on the concept of graphing systems of equations and has worked inequalities, then it's time to expose them to the wonders of graphing systems of inequalities. Using various colors and a graph, Sal explains what...
4:54
Lesson Planet

Factoring Perfect Square Trinomials

For Students 9th - 11th
Introduce young mathematicians to the concept of factoring trinomials with perfect squares. This descriptive video provides a meaningful explanation of the factoring process. Each step is carefully written out in various colors during...
6:23
Lesson Planet

Dividing Polynomials with Remainders

For Students 9th - 11th
Similar to the Khan Academy video on dividing polynomials 1, this presentation shows how to divide two polynomial expressions. Now the polynomial has a remainder.
4:45
Lesson Planet

Polynomial divided by monomial

For Students 9th - 11th
Let's think about the ways in which a person could simplify an expression where a polynomial is divided by a monomial. Sal shares 3 different modes he could use to simplify, then uses each way to solve the same problem.
2:30
Lesson Planet

Adding polynomials with multiple variables

For Students 9th - 11th
While explaining how to add polynomial expressions with multiple variables, Sal uses academic vocabulary and a clear thinking process. This video is relatively short and would be appropriate for students working on homework or prepping...
Lesson Planet

Correlation of Variables by Graphing

For Teachers 7th - 10th
Middle and high schoolers use a spreadsheet to graph data. In this graphing lesson, learners determine how two parameters are correlated. They create a scatter plot graph using a computer spreadsheet.
Lesson Planet

Egyptian Counting

For Teachers 5th - 8th
Ancient Egyptian's had a fantastic number system and your class gets to use it to practice basic math skills! They are presented with several examples of Egyptian numbers which they use to complete several addition and subtraction...
Lesson Planet

Purchasing Items Using the Next Dollar Strategy

For Teachers 9th - Higher Ed
Drill and practice is the method of teaching for today. Special needs pupils practice rounding to the next dollar value when purchasing an item at the store. They are shown flash cards with a monetary value, they then have 3-5 seconds to...
Lesson Planet

Lesson 6: Mittens, Socks, Mittens, Socks, Mittens!

For Teachers K - 8th
Mittens and socks, two of my favorite clothing items!  Young learners with special needs, explore clothing appropriate for cold weather. They identify both socks and mittens, discuss weather appropriate clothing, and listen to the story,...
Lesson Planet

Hawaii No Ka Oi!

For Teachers 6th - 8th
Aloha! Young travel agents research Hawaii and then create a travel brochure and itinerary for a trip to the Hawaiian islands. Following a given list of criteria, pairs use the Internet to design a trip for a family of four, develop a...
Lesson Planet

Miras, Mirrors, and Kaleidoscopes!

For Teachers 9th - 12th
Students use hands-on activities to explore transformations. They view a video segment that demonstrate how M. C. Escher employed geometry and transformations to create so many of his famous drawings.
Lesson Planet

Designing, Creating and Testing Waterslides: A Bums-on Approach

For Teachers 7th - 10th
Learners work in groups to research, design, and create model water park using line segment theories coordinate. They produce individual design portfolios that include their ideas and opinions, design solutions, sketches and research...
Lesson Planet

Photosynthesis

For Teachers 6th - 12th
Students recognize the importance of plants as they perform an experiment involving photosynthesis. Students determine the optimum wavelength of light for photosynthesis by exposing plants to different colors of light, collecting data,...
Lesson Planet

Rising Water

For Teachers 7th - 9th Standards
An engaging, and not to mention attractive, lesson plan has prealgebra and beginning algebra scholars examining linear relationships. They consider the rising water level as a swimming pool is being filled. They do so by charting and...
Lesson Planet

Well Oiled Functions: Enrichment

For Students 7th - 10th
In this algebraic functions worksheet, learners write a function to determine the relationship between people and barrels of oil used. They research the population of the 10 largest cities in their state and use this functional...