 This old Gynzy says goodbye

Next school year: the new Gynzy

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# Geometry Sort

### 3D Shapes

- Activity -

Explore and describe geometric attributes in three-dimensional shapes.

### 3D Views

- Activity -

Find the correct view of a certain side of a 3D object. ### Angle Properties

- Lesson plan -

Identify, estimate, and measure the angles of plane figures using appropriate tools.

### Angles

- Lesson plan -

Identify angles as acute, right or obtuse. Find the measure of an angle using a protractor. ### Angles

- Lesson plan -

Identify angles as right, less than a right angle or greater than right angle.

### Applying the Pythagorean Theorem

- Lesson plan -

Use and apply the Pythagorean theorem to find the hypotenuse and the legs of a right triangle. ### Area

- Lesson plan -

Find the areas of squares, rectangles, parallelograms and triangles.

### Area

- Lesson plan -

Develop strategies to determine the area of rectangles and plane figures. ### Area - Grid based

- Activity -

Find the area of a shape on a grid by counting squares.

### Area - Side lengths

- Activity -

Calculate the area of rectangles or compound figures using side lengths. ### Area of a Circle

- Lesson plan -

Derive the formula for the area of a circle. Find the area of a circle given the radius or diameter of a circle.

### Area of a Tapezoid

- Lesson plan -

Find the area of a trapezoid by using compound figures and by deriving the formula for the area of a trapezoid. Find the height given the area. ### Area of complex shapes

- Activity -

Calculate the area of parallelograms, triangles and trapezoids.

### Area of Irregular Figures

- Lesson plan -

Find the area of irregular figures by dividing them into familiar shapes (rectangles and triangles.) ### Area of Irregular Figures

- Lesson plan -

Find the areas of complex figures by dividing them into familiar shapes. Find the areas of each shape and sum to find the total area.

### Area of Irregular Figures

- Lesson plan -

Find the areas of complex or irregular figures by dividing them into familiar shapes. Find the areas of each shape and sum them to find the total area.