Student Learning Map

  • Topic:Similarity
  • Subject(s):Math
  • Days:15
  • Grade(s):9, 10, 11, 12
Key Learning: Understand the concepts of ratio, proportion, and similarity to enhance problem solving ability. Solve problems applying similar figures.
Unit Essential Question(s):
 
 
What are similar figures and how can their properties be used to solve real world problems indirectly?
   
Concept: Ratios and Proportions
Concept: Similar Polygons
Concept: Proving Triangles Similar
Lesson Essential Question(s):

What similarities/differences exist between ratios and proportions? (A)

How are ratios and proportions used to solve for missing values? (A)

Lesson Essential Question(s):

How do you determine if two figures are similar? (A)

How are the characteristics of similar figures applied in problem solving? (ET)

Lesson Essential Question(s):

How can two triangles be proved similar? (A)

How can triangle similarity be used to indirectly to find length? (A)

Concept: Proportions in Triangles
Concept: Perimeters and Areas of Similar Figures
Concept:
Lesson Essential Question(s):

How are similar triangles used in determining proportional relationships when a line segment(s) is drawn parallel to one side of a triangle? (A)

How are ratios and proportions used to solve for missing values? (ET)

How are similar triangles used in determining proportional relationships when a line segment(s) is drawn parallel to one side of a triangle? (ET)

What is the difference between a geometric mean and an arithmetic mean? (A)

What is the Triangle Angle Bisector Theorem and how is it used to solve for segment lengths in a triangle? (A)

What is the Triangle Angle Bisector Theorem and how is it used to solve for segment lengths in a triangle? (ET)

Lesson Essential Question(s):

How is triangle similarity applied when the altitude is drawn to the hypotenuse of right triangle? (A)

What are the relationships between corresponding sides, perimeters and areas of similar figures? (A)

How are the characteristics of similar figures applied in problem solving? (ET)

How are these relationships applied in solving real-world situations? (ET)

Lesson Essential Question(s):
Vocabulary:

Vocabulary:

Vocabulary:

Additional Info:

Ask an experienced coworker for additional reference texts and/or other materials.

Prentice Hall Geometry Ch.8.1-8.3, 8.5-8.6

Text Ancillary Materials

Scientific Calculator, Protractor, Graph Paper

FCAT Explorer

Mission FCAT

Polk County FCAT Item Test Bank

www.PHSchool.com

Kaplan Lesson Plans

Resources:

Vocabulary Report

  • proportion -
  • indirect measurement -
  • similar -
  • similarity ratio -
  • extended proportion -
  • Cross-Product Property -
  • golden rectangle -
  • scale drawing -
  • golden ratio -
  • scale -