Just how long is that rectangle? Pupils watch a short example on finding the base of a rectangle. The video shows how to use the formula for area to solve for an unknown measure knowing the other two.

Concepts

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

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Additional Tags

math

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Instructional Ideas

• Lead a discussion on why there are two formulas for finding the area of a rectangle

Classroom Considerations

• Assumes individuals are familiar with solving one-step equations
• Requires learners to understand the relationship of units for area and length

• This video is hosted on YouTube

Pros

• Shows the long division necessary to solve the problem
• Includes formulas for areas

Cons

• None

Common Core

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