

 Activity   
Complete the assignments for mixed perimeter calculations. 

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 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. 

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 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. 

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 Lesson plan   
Draw nets and find the surface areas of three dimensional figures, including cubes, rectangular prisms and triangular prisms. 

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 Lesson plan   
Discover and create the formula for the surface area of a cylinder. Apply this formula to calculate the surface area of various cylinders. 

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 Lesson plan   
Find the volume of a cylinder. Solve problems involving the volume. Find the volume of similar cylinders. 

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 Activity   
Find the angle (in degrees) between two lines. 

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 Lesson plan   
Understand similarity, investigate the ratios and lengths of similar figures, and solve problems using proportions. 

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 Lesson plan   
Identify, describe and perform transformations involving translations, reflections, and rotations. 

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 Lesson plan   
Look for relationships between the lengths of the sides of a right triangle, leading to the Pythagorean Theorem. Apply the theorem to find the hypotenuse and legs of a right triangle. 

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 Lesson plan   
Identify, compare, classify, and analyze attributes of two and three dimensional shapes. 

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 Lesson plan   
Find congruent and similar shapes. Distinguish between congruency and similarity. 

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 Lesson plan   
Identify and draw lines of symmetry in twodimensional shapes. 

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 Lesson plan   
Introduce the terms flips, slides, and turns. 

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 Lesson plan   
Identify geometric representations for points, lines (horizontal, vertical, diagonal), perpendicular lines, parallel lines, angles, and rays. Recognize reallife examples of point, line, perpendicular lines, and parallel lines. 

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 Lesson plan   
Sort items by multiple attributes, or combine attributes to form items in a matrix. 

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