Unit

#### Description:

Students review the area formula for rectangles with rational side lengths and prove the area formula for anarbitrary rectangle.Students use a square grid to estimate the area of a curved region using lower approximations, upperapproximations, and average approximations.Teacher and Student versions of full lesson from engageNY

#### Subjects:

• Mathematics > General
• Mathematics > Geometry

#### Keywords:

circumference circle area circle volume cylinder pyramid cone

English

#### Access Privileges:

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#### Collections:

Teacher Resources
Update Standards?

#### CCSS.Math.Practice.MP2: Common Core State Standards for Mathematics

Reason abstractly and quantitatively.

#### CCSS.Math.Practice.MP3: Common Core State Standards for Mathematics

Construct viable arguments and critique the reasoning of others.

#### CCSS.Math.Practice.MP4: Common Core State Standards for Mathematics

Model with mathematics.

#### CCSS.Math.Practice.MP5: Common Core State Standards for Mathematics

Use appropriate tools strategically.

#### CCSS.Math.Practice.MP6: Common Core State Standards for Mathematics

Attend to precision.

#### CCSS.Math.Content.HSG-GMD.A.1: Common Core State Standards for Mathematics

Give an informal argument for the formulas for the circumference of a circle, area of a circle, volume of a cylinder, pyramid, and cone.
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