There is more than one way to find the height of the triangle. Scholars view a video that finds the height of a triangle given the area and the base. The example involves fractions and decimals as the presenter shows how to solve the problem using fractions and how to solve the problem using decimals.

Concepts

area formulas, area, area of triangles, solving equations, solving for 1 variable, one-step equations

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Additional Tags

math

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Instructional Ideas

• Before watching the description of solving the equation, poll the class to determine how to work the problem involving both fractions and decimals

Classroom Considerations

• Assumes pupils are familiar with solving one-step equations involving multiplication
• Requires students to be comfortable with changing mixed numbers to decimals and vice versa

• This video is hosted on YouTube

Pros

• Shows the arithmetic in converting a decimal to an improper fraction and converting an improper fraction to a decimal
• Uses colors to highlight steps within the solving process

Cons

• None

Common Core

SL.6.2 SL.7.2 MP1 MP6 6.EE.B.7 6.G.A.1