7.G.B.4

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- 7.G.B.4Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.
- 7.G.B.5Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.
- 7.G.B.6Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms.

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## 7.G.B.4

## Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.

54 Lesson(s)

### Area of Composite Shapes Using a Grid

7th Grade Math »
Unit: Geometry

7th Grade Math »
Unit: Geometry

### Renovate a Park by Applying Radicals and Formulas

Algebra I »
Unit: Radical Expressions, Equations, and Rational Exponents

Algebra I »
Unit: Radical Expressions, Equations, and Rational Exponents

### Write It Wednesday-Circles

7th Grade Math »
Unit: 2-D Measurements

7th Grade Math »
Unit: 2-D Measurements

### Circumference and Area of Circles

7th Grade Math »
Unit: Geometric Measurement

7th Grade Math »
Unit: Geometric Measurement

### Surface Area and Volume Centers -5 Days of Enrichment and/or Remediation

7th Grade Math »
Unit: Geometric Measurement

7th Grade Math »
Unit: Geometric Measurement

### Working Backwards with Formulas - How do I undo a formula?

7th Grade Math »
Unit: Geometric Measurement

7th Grade Math »
Unit: Geometric Measurement

Big Idea:

#### Make an estimate for the area of each circle. How can we calculate a more exact area? Students develop an estimate for a circle’s area and learn the formula. Then students must apply their knowledge to determine whether they calculate area or circumferen

Favorites
(19)

Resources
(35)

Reflections
(2)

### Circumference and Area

7th Grade Math »
Unit: 2-D Measurements

7th Grade Math »
Unit: 2-D Measurements

### Introduction to Circles

7th Grade Math »
Unit: 2-D Measurements

7th Grade Math »
Unit: 2-D Measurements

### Relationship Between Circumference and Diameter - What is pi?

7th Grade Math »
Unit: Geometric Measurement

7th Grade Math »
Unit: Geometric Measurement

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First Grade

Second Grade

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HS Number & Quantity

HS Algebra

HS Functions

HS Geometry

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First Grade

Second Grade

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Ninth and Tenth Grade

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