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5:59
Lesson Planet

#### Substitution Method 3

For Students 9th - 11th
Apply what you learned in videos one and two on the substitution method with this application problem. Sal uses the substitution method to solve a system of equations.
10:11
Lesson Planet

#### Permutations

For Students 10th - 12th
This video is an introduction to permutations. Sal shows  two different examples, defines the mathematical notation for permutations, and derives a formula for finding a permutation without repetition of choices. He tries to convey an...
Lesson Planet

#### Math in Art-Fractions, Percentages, and Decimals

For Teachers 5th - 6th
Your creative mathematicians will enjoy this unique activity that combines math with art. They will create a vibrant design on a 10" by 10" grid, using pre-cut squares from colored paper. After completing their art project, individuals...
Lesson Planet

#### Powering a Device Using Food

For Teachers 7th - 9th Standards
New ReviewEat up a resource on using food to power electrical devices. Future engineers first experiment with different fruits and vegetables to determine the amount of electrical energy they provide. Based on the data, they design and create an...
Lesson Planet

#### Trust in the Truss: Design a Wooden Bridge

For Teachers 10th - 12th Standards
New ReviewObviously, a sturdy bridge is the desired outcome. Pupils select from one of four different types of truss bridges, then construct a model of the bridge from craft sticks and glue, making sure that it satisfies certain constraints. They...
Lesson Planet

#### Doing the Math: Analysis of Forces in a Truss Bridge

For Teachers 10th - 12th Standards
New ReviewJoin together to investigate truss joints. Scholars learn how to analyze forces at truss joints to determine the strength of truss bridges. They apply the "method of joints" in calculating the tension and compression forces at each joint...
Lesson Planet

#### Featured Activity: City Planning With Census Data

For Teachers 5th - 6th Standards
New ReviewWhat's more important ... an ice cream store or a police station? How about a school or a hospital? Using a simulation game, pupils allot resources as the federal government would based on the census. Discussion questions round out the...
3:18
Lesson Planet

#### Fractions Shapes

For Students 6th - 12th Standards
New ReviewLet the class color. The video shows two different types of fraction of shapes problems. Pupils learn to shade a given fraction of a shape along with determining the fraction of a shape that is shaded. Learners practice the skill with...
Lesson Planet

#### Exploring Sampling Variability - Higher Education Attainment Across The United States

For Teachers 6th - 7th Standards
New ReviewMore education in statistics is always beneficial. Given cards that provide the proportion of adults with bachelor's degrees in 10 random US states, scholars individually determine the sample percentage of states in which more than 30...
Lesson Planet

#### Sample Means - Exploring Sampling Variability

For Teachers 7th Standards
New ReviewSample an excellent resource on sampling variability. Pupils analyze census data on the percentage of homes in each state that have Internet access. They take random samples of different sample sizes, determine the sample means, and then...
1:47
Lesson Planet

#### Reciprocals

For Students 6th - 12th Standards
New ReviewReciprocals is more than just flipping a fraction. Pupils watch a video to see how to find the reciprocal of any number. Individuals practice finding reciprocals of numbers including whole numbers and decimals.
3:58
Lesson Planet

#### Ordering Fractions

For Students 6th - 12th Standards
New ReviewPut fractions in their place. An informative video shows learners how to order fractions with common denominators. The class sees a method of ordering fractions with uncommon denominators by creating equivalent fractions with a common...
1:41
Lesson Planet

#### Mixed Numbers to Improper Fractions

For Students 6th - 12th Standards
New ReviewMix things up a little to be improper. The presenter shows three example of changing a mixed number to an equivalent improper fraction. Scholars work several practice problems and application questions to refine the process.
Lesson Planet

#### Where to Next?

For Teachers 9th - 12th Standards
New ReviewSalary, education, census statistics ... how do people choose their careers? Scholars complete worksheets and rely on census data to determine their career aspirations. Then, pupils conduct Internet research about places they would...
Lesson Planet

#### How Are Single-Parent Households Distributed Across the United States?

For Teachers 7th Standards
New ReviewThere sure are a lot of single-parent households in the country. After selecting one of four US regions to investigate, pupils create dot plots and box plots on the percentage of single-parent households with male parents and female...
2:33
Lesson Planet

#### Simplifying Fractions

For Students 6th - 12th Standards
New ReviewPut fractions in simpler terms. Learners watch a video showing how to simplifying fractions. They then work through two worksheets to practice the skill.